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Journal articles on the topic 'MAPI film'

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Author: Grafiati

Published: 6 September 2023

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1

Sirotinskaya, Svetlana, Christian Fettkenhauer, Daichi Okada, Yohei Yamamoto, Doru C. Lupascu, Roland Schmechel, and Niels Benson. "Spatially resolved investigation of the defect states in methylammonium lead iodide perovskite bicrystals." Journal of Materials Chemistry C 7, no. 42 (2019): 13156–60. http://dx.doi.org/10.1039/c8tc06622a.

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Introducing a modal system approach for the analytical perovskite thin-film trap physics evaluation. Our study confirms existing models for trap formation in MAPI, substantiating different defect states in the grain boundary and bulk regions.

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2

Garcia-Arellano, Guadalupe, Gaëlle Trippé-Allard, Thomas Campos, Frédérick Bernardot, Laurent Legrand, Damien Garrot, Emmanuelle Deleporte, Christophe Testelin, and Maria Chamarro. "Unexpected Anisotropy of the Electron and Hole Landé g-Factors in Perovskite CH3NH3PbI3 Polycrystalline Films." Nanomaterials 12, no. 9 (April 19, 2022): 1399. http://dx.doi.org/10.3390/nano12091399.

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In this work, we studied, at low temperature, the coherent evolution of the localized electron and hole spins in a polycrystalline film of CH3NH3PbI3 (MAPI) by using a picosecond-photo-induced Faraday rotation technique in an oblique magnetic field. We observed an unexpected anisotropy for the electron and hole spin. We determined the electron and hole Landé factors when the magnetic field was applied in the plane of the film and perpendicular to the exciting light, denoted as transverse ⊥ factors, and when the magnetic field was applied perpendicular to the film and parallel to the exciting light, denoted as parallel ∥ factors. We obtained |ge,⊥|=2.600 ± 0.004, |ge,∥|=1.604 ± 0.033 for the electron and |gh,⊥|=0.406 ± 0.002, |gh,∥|=0.299 ± 0.007 for the hole. Possible origins of this anisotropy are discussed herein.

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Clavijo, Josué I., John M. Correa, and Gerardo Gordillo. "Thin‐Film Morphology Improvement and Density Functional Theory‐Driven Findings for the Photovoltaic Perovskite MAPI/MAPSI." physica status solidi (RRL) – Rapid Research Letters 14, no. 4 (April 2020): 1900668. http://dx.doi.org/10.1002/pssr.201900668.

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4

Fouad Ali Abdullah, Abdullah, Buchtová Hana, and Turek Peter. "Influence of modified atmosphere packaging on freshness parameters of organic chicken meat – short communication." Czech Journal of Food Sciences 35, No. 5 (October 20, 2017): 466–68. http://dx.doi.org/10.17221/32/2017-cjfs.

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The effect of modified atmosphere packaging (MAP1 80% O2/20% CO2 and MAP2 70% N2/30% CO2) on the selected parameters (ammonia, thiobarbituric acid reactive substances /TBARS/) and antioxidant capacity in chilled meat (2 ± 2°C) of organic chickens (breast and thigh) was evaluated. Control samples were packaged using a polyolefin film. The experiment was conducted on day 2 and repeated on day 7, 10, and 14 of storage. TBARS of samples in MAP1 were higher than in samples stored in MAP2. Ammonia in meat in MAP2 was constant during storage. In general, the DPPH inhibition percentage of meat in MAP1 was lower than that in meat in MAP2. Results of the present study indicated that MAP2 could be preferable for the packaging of organic chicken meat.

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Wu, Xiang Qing, Fa Qin Xie, Zong Chun Hu, and Shi Da Shen. "Effect of Diffusion Treatment on High-Temperature Oxidation Resistance of Multi-Arc Ion Plating Al Films on TiAl Alloy." Advanced Materials Research 97-101 (March 2010): 1399–403. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.1399.

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In this paper, aluminum films were deposited on the TiAl alloy by multi-arc ion plating (MAIP) and subsequently diffusion-treated under 720°C for 4h. It is revealed by XRD and SEM/EDS that the film consisted of Al turn to an outer Al2O3 layer and inner TiAl3 layer after diffusion treatment. Cyclic oxidation tests show that the surface of the film formed a compact and continuous Al2O3 layer that prevents the TiAl substrate from oxidation, and the oxidation rate of the specimen with Al diffusion film is as low as 1.84 mg/cm2. The MAIP Al film after diffusion treatment is effective in improving the high-temperature oxidation resistance of TiAl alloys.

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MacDonald, Gordon A., Mengjin Yang, Samuel Berweger, Jason P. Killgore, Pavel Kabos, Joseph J. Berry, Kai Zhu, and Frank W. DelRio. "Methylammonium lead iodide grain boundaries exhibit depth-dependent electrical properties." Energy & Environmental Science 9, no. 12 (2016): 3642–49. http://dx.doi.org/10.1039/c6ee01889k.

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7

Pandia-Estrada, Silvia, Renzo Romero-Santivañez, Roxana Céspedes-Chombo, and Armando Solari-Godiño. "Edible films gelatin-based obtained from mahi-mahi skin (Coryphaena hippurus) and oregano extract: Physicochemical, antimicrobial, structural and surface characteristics." Scientia Agropecuaria 12, no. 2 (June 1, 2021): 229–37. http://dx.doi.org/10.17268/sci.agropecu.2021.026.

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Edible films were elaborated from gelatin solutions (4% w/v) of mahi-mahi skin (Coryphaena hippurus) with 2,5; 5; 7,5 and 10% v/v of oregano extract (OE) and its physicochemical, antimicrobial, structural and surface properties were determined. The control and with 2.5% OE films showed the lowest moisture and opacity values and the highest viscosity values. All films with OE inhibited the growth of Staphylococcus aureus and Proteus vulgaris. Alone films with 10% OE showed antimicrobial activity against all the strains evaluated. Scanning electron microscopy showed that the incorporation of oregano extract in the film-forming solutions, FFS, was related to an increase in the presence of oil droplets in the films, showing the lipid fraction of OE. Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) analyzes showed the interaction between gelatin, plasticizer, and oregano extract in all films. In conclusion, this study demonstrated the viability of mahi-mahi skin gelatin edible films with OE incorporated for their application as packaging with antimicrobial action in foods susceptible to spoilage by microorganisms.

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8

Vikas, N. P., Sadiq Mahmood, S. Pranoy, Sacheen Kumar, and Ravi Kumar. "Effect of Temperature on Structural and Optical Properties of Methyl-Ammonium Bismuth Iodide Thin Films." Journal of Nanoscience and Nanotechnology 20, no. 6 (June 1, 2020): 3734–40. http://dx.doi.org/10.1166/jnn.2020.17535.

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Organic–Inorganic perovskites are promising materials for an alternative to silicon technology for cost-effective performance of photovoltaic’s (PVs). Lead-based hybrid perovskite has lower stability and high toxicity. The bismuth-based hybrid perovskite, Methyl Ammonium Bismuth Iodide (MABI) could be as an alternative to the lead-based system. In the present work, we present the structural and optical studies on hybrid MABI perovskite thin films synthesized at different temperature. Bandgap analyzed from UV-Vis absorption spectroscopy have shown the formation of MABI complex in thin films prepared from the single step spin coating and dip coating method. Further, the MABI formation confirmed by Raman analysis. Optical and structural properties obtained are comparable to earlier reported theoretical studies. The roughness of highly stable annealed film was analyzed by non-contact tapping mode atomic force microscopy.

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9

Shen, Tianyi, Qiwen Tan, Zhenghong Dai, Nitin P. Padture, and Domenico Pacifici. "Arrays of Plasmonic Nanostructures for Absorption Enhancement in Perovskite Thin Films." Nanomaterials 10, no. 7 (July 9, 2020): 1342. http://dx.doi.org/10.3390/nano10071342.

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We report optical characterization and theoretical simulation of plasmon enhanced methylammonium lead iodide (MAPbI 3 ) thin-film perovskite solar cells. Specifically, various nanohole (NH) and nanodisk (ND) arrays are fabricated on gold/MAPbI 3 interfaces. Significant absorption enhancement is observed experimentally in 75 nm and 110 nm-thick perovskite films. As a result of increased light scattering by plasmonic concentrators, the original Fabry–Pérot thin-film cavity effects are suppressed in specific structures. However, thanks to field enhancement caused by plasmonic resonances and in-plane interference of propagating surface plasmon polaritons, the calculated overall power conversion efficiency (PCE) of the solar cell is expected to increase by up to 45.5%, compared to its flat counterpart. The role of different geometry parameters of the nanostructure arrays is further investigated using three dimensional (3D) finite-difference time-domain (FDTD) simulations, which makes it possible to identify the physical origin of the absorption enhancement as a function of wavelength and design parameters. These findings demonstrate the potential of plasmonic nanostructures in further enhancing the performance of photovoltaic devices based on thin-film perovskites.

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10

Zhu, Ziyao, Huiwen Chen, Bo Zhao, Weixiong Huang, Qianqian Lin, Xuefeng Yu, and Yunlong Li. "Ferroelectric dipole-MAPbI₃ coupled x-ray detector." Applied Physics Letters 122, no. 16 (April 17, 2023): 163301. http://dx.doi.org/10.1063/5.0147065.

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Blade coating offers a low-cost production method for fabricating perovskite thick-film x-ray detectors. However, due to the preferential nucleation at the gas–liquid interface of a perovskite solution, high-quality perovskite thick films are in such a dilemma, sacrificing either the density of the thick film by forming a porous structure or the thickness of the film through depositing a compact structure. The porous structure will lead to carrier recombination and ion migration while low thickness will cause insufficient x-ray absorption, which will increase the dark current or reduce the sensitivity of the corresponding x-ray detector. In the present work, a scalable ferroelectric dipole–methylamine lead iodide (MAPbI3) coupled x-ray detector is proposed, where the x-ray photoconductor in situ formed on indium tin oxide shows a dense fibrous mesoscopic structure oriented along the charge-carriers transport direction. It is demonstrated that ferroelectric dipoles promise not only strong coupling effects with MAPbI3, driving better crystallinity and denser assemblies, but also excellent passivation to MAPbI3 interfaces, decreasing trap-state densities, leading to improved direct x-ray detection performance. In addition, the enhanced operational stability of the corresponding device suggests a strategy of introducing the localized polarization field for stable perovskite direct x-ray detectors.

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Hong, Zhang Lian, Jian Feng Xu, Shi Feng Zhou, Zhong Long, Hong Xiao, Fang Fang Li, and Ke Zhao Liu. "Effect of Preparation Method on Film Structure and Thermal Stability of M_e/M_eN/M_e (M_e = Al, Ti) Multilayer Thin Films." Advanced Materials Research 465 (February 2012): 283–86. http://dx.doi.org/10.4028/www.scientific.net/amr.465.283.

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Me/MeN/Me (Me=Al, Ti ) multilayer thin films were deposited on silicon substrates by a multi-arc ion plating method (MAIP) and successive magnetron sputtering method (MS) respectively. The as-prepared and heat-treated films were characterized by scanning electron microscope (SEM) and auger electron spectra (AES). The results revealed that MS method has an advantage over MAIP method to prepare the Al/AlN/Ti submicron thin films which have high density, clear interface and smooth surface. In addition, the present study indicated that both the deposition sequence and mid-layer composition have a significant effect on the thermal stability. After heat-treatment at 500 oC for 10 min, the Al/AlN/Ti multilayer film prepared by the MS method has good thermal stability without surface crack or surface flaking. Furthermore, significant diffusion of oxygen element and nitrogen element within the multilayer interface was observed by the AES measurement. It is believed that the element diffusion in the multilayer interface plays an important role in the binding strength of multilayer interface.

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12

Alexander, Akhil, Varun Srivastava, Poovannan Ravichandran, Vijith K. Pulikodan, B. Anitha, Alvin Joseph, and Manoj A. G. Namboothiry. "Acetylammonium chloride as an additive for crystallization control and defect passivation in MAPbI₃ based perovskite solar cells." Journal of Physics D: Applied Physics 55, no. 26 (April 11, 2022): 265501. http://dx.doi.org/10.1088/1361-6463/ac6239.

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Abstract Uniform and high-electronic-quality perovskite thin films are necessary for high efficiency perovskite solar cells (PSCs) and additives play a major role in improving the quality of the perovskite films. Here, we demonstrate acetylammonium chloride (AAC) as an additive to effectively control the morphology and crystal quality of the methylammonium lead iodide perovskite film. AAC incorporated PSCs have shown an improved power conversion efficiency (PCE) of 15.9% compared to 14.9% of the control device. Furthermore, AAC incorporated PSCs exhibit high operational stability by retaining 89% of the initial efficiency after 150 h of continuous operation while the control devices degrade to 51% of the initial PCE in just 45 h. The improved performance and stability of the AAC incorporated PSCs can be attributed to the (a) formation of uniform sized perovskite films of larger grains and (b) passivation of defects present in the grain boundaries and surfaces of the perovskite film. The defect density has reduced from 4.1 × 1016 to 1.97 × 1016 cm−3 on addition of AAC to the perovskite film. The reduction in defects-induced non-radiative recombination decay pathways, as further verified from impedance and capacitance–frequency measurements, has caused an enhancement in the open circuit voltage of the AAC incorporated devices and thus an improvement in the PCE and stability of the devices.

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13

Aziz, Issa Mahdi, Raad Nasrullah Salih, and Akram Ali Haji. "The influence of thickness layers on the efficiency of MAPI solar cells." Eximia 9 (May 3, 2023): 25–29. http://dx.doi.org/10.47577/eximia.v9i1.247.

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In this work, a modest method for creating Perovskite solar cells (PSCs) by recycling car batteries is used. Trying to get rid of some structures or materials which are harm to the environment. However, by reusing car batteries we will avoid the disposal of toxic battery materials and provide an alternative technique, readily-available Pb source for fabricating PSCs. Perovskite solar cells (PSCs) were prepared by two-step spin coating solution method on the FTO glass substrate. Lead iodide (PbI2) and methyl-ammonum iodide (CH3NH3I) used to form the structure of the precursor (CH3NH3PbI3). The photovoltaic performance of PSCs and the effect of chemical composition of perovskite layer on performance of PSCs was investigated. Characterization of PSCs by using X-ray diffraction, SEM and the effect of chemical composition on of MAPI films was achieved. It was found that the thickness ratio of (PbI2/MAI) with 3.0:1 have highest fill factor and maximum efficiency.

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14

Bhachu, D. S., D. O. Scanlon, E. J. Saban, H. Bronstein, I. P. Parkin, C. J. Carmalt, and R. G. Palgrave. "Scalable route to CH3NH3PbI3 perovskite thin films by aerosol assisted chemical vapour deposition." Journal of Materials Chemistry A 3, no. 17 (2015): 9071–73. http://dx.doi.org/10.1039/c4ta05522e.

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15

Reinoso, Miguel Á., Camilo A. Otálora, and Gerardo Gordillo. "Improvement Properties of Hybrid Halide Perovskite Thin Films Prepared by Sequential Evaporation for Planar Solar Cells." Materials 12, no. 9 (April 29, 2019): 1394. http://dx.doi.org/10.3390/ma12091394.

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Thin films of CH3NH3PbI3 and (NH2)2CHPbI3 (from now on abbreviated as MAPI and FAPI respectively), with perovskite structure were prepared by sequential evaporation of lead iodide (PbI2) and methylammonium iodide (MAI) or formamidinium iodide (FAI), with special emphasis on the optimization of its optical, morphologic, and structural properties. For this, the evaporation process was automatically controlled with a system developed using virtual instrumentation (VI) that allows electronic control of both evaporation sources temperature and precursors deposition rates, using proportional integral derivative (PID) and pulse width modulation (PWM) control algorithms developed with the LabView software. Using X-ray diffraction (XRD), information was obtained regarding the phase and crystalline structure of the studied samples as well as the effect of the main deposition parameters on crystallite size and microstrain. We also studied the influence of the main deposition parameters on the optical and morphological properties through measurements of spectral transmittance and scanning electron microscopy (SEM) respectively. It was found that the implemented method of sequential evaporation allows preparing, with a high degree of reproducibility, single phase MAPI and FAPI thin films with appropriate properties to be used as active layer in hybrid solar cells. The applicability of MAPI and FAPI thin films as active layer in photovoltaic devices has been demonstrated by using them in solar cells with structure: FTO/ZnO/MAPI(or FAPI)/P3HT/Au.

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Dionigi, Chiara, Meriem Goudjil, Giampiero Ruani, and Luca Bindi. "The Effect of Short Chain Carboxylic Acids as Additives on the Crystallization of Methylammonium Lead Triiodide (MAPI)." Inorganics 10, no. 11 (November 8, 2022): 201. http://dx.doi.org/10.3390/inorganics10110201.

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Due to their exceptional properties, the study of hybrid perovskite (HyP) structures and applications dominate current photovoltaic prospects. Methylammonium lead tri-iodide perovskite (MAPI) is the model compound of the HyP class of materials that, in a few years, achieved, in photovoltaics, a power conversion efficiency of 25%. The attention on HyP has recently moved to large single crystals as emerging candidates for photovoltaic application because of their improved stability and optoelectronic properties compared to polycrystalline films. To control the quality and symmetry of the large MAPI single crystals, we proposed an original method that consisted of adding short-chain carboxylic acids to the inverse temperature crystallization (ICT) of MAPI in γ-butyrolactone (GBL). The crystals were characterized by single-crystal X-ray diffraction (SC-XRD), X-ray powder diffraction (XRPD) and Raman spectroscopy. Based on SC-XRD analysis, MAPI crystals grown using acetic and trifluoroacetic acids adopt a tetragonal symmetry “I4cm”. MAPI grown in the presence of formic acid turned out to crystallize in the orthorhombic “Fmmm” space group demonstrating the acid’s effect on the crystallization of MAPI.

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Puspita, Dinar Chandra, and Bambang Suharto. "Communication Strategy to Make MAFI Fest Become a Sustainable Local Film Festival." JURNAL LENSA MUTIARA KOMUNIKASI 7, no. 1 (June 15, 2023): 23–36. http://dx.doi.org/10.51544/jlmk.v7i1.3849.

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In the last two decades, the Indonesian film ecosystem has been enlivened by the presence of local film festivals in various cities. The presence of film festivals is often seen as a space to channel interests, express creativity, build networks, and exchange knowledge and experiences. Local film festivals are generally initiated by student associations, film enthusiasts' communities, or government programs. Festival organizers also face various environmental challenges that are unstable in order to maintain their existence. It is not uncommon to find film festivals that have only been successfully held once or a few times, then postponed or discontinued for various reasons. Malang Film Festival (MAFI Fest) is the oldest local film festival initiated by a campus institution and has been able to survive from 2004 until now. This research aims to analyze the communication strategies used by the organizers to establish MAFI Fest as a sustainable local film festival, providing a space of appreciation for filmmakers to showcase their work. The research adopts a qualitative-descriptive approach, and data collection is conducted through interviews, observations, and documentation. The results of the research indicate that MAFI Fest implements repetitive, informative, and educative communication strategies through the media they use. The sustainability of the film festival is inseparable from the shrewdness of the organizers in innovating, support from stakeholders, their ability to obtain funding, and the commitment and activeness of its members. This research contributes to adding insight to academics and practitioners regarding the efforts that can be undertaken to maintain the sustainability of a local film festival in the long run.

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18

Alessandrini, Anthony C. "“My Heart’s Indian for All That”: Bollywood Film between Home and Diaspora." Diaspora: A Journal of Transnational Studies 10, no. 3 (December 2001): 315–40. http://dx.doi.org/10.3138/diaspora.10.3.315.

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In the spring of 1995, I had just begun to work on issues having to do with the global reception of Indian popular film.2 I was particularly interested in the consumption of Bollywood films in South Asian diasporic communities and was doing some preliminary research in Iselin, a small town in central New Jersey, with a large and thriving “Little India” neighborhood. Since I was also interested in the changes taking place in the Indian popular film industry itself, I had been following the case of Mani Ratnam’s film Bombay, which had been released earlier that year, in Tamil and Hindi, to a mix of acclaim and controversy in India. Because the film deals with the communal violence that gave rise to rioting that shook Bombay in 1992 and 1993, some authorities were concerned that screening the film in areas experiencing communal tensions might lead to more violence. Consequently, the film had been temporarily banned in several parts of India, including Hyderabad and Karnataka and, as of April 1995, had not yet been screened in Bombay itself (Niranjana, “Banning Bombayi” 1291–2). But at a party that spring, I found myself discussing the film with a colleague who had come from Bombay to study comparative literature at Rutgers. Bombay was quite an interesting film, she assured me, and I should watch it as part of my research. I must have looked puzzled, for she then added, “We found a copy on video in Iselin last week.”

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Kulezic-Wilson, Danijela, and Bob Kosovsky. "Film Music Bibliography 2020." Music and the Moving Image 14, no. 3 (October 1, 2021): 61. http://dx.doi.org/10.5406/musimoviimag.14.3.0061.

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20

Hellmann, Tim, Michael Wussler, Chittaranjan Das, Ralph Dachauer, Islam El-Helaly, Claudiu Mortan, Thomas Mayer, and Wolfram Jaegermann. "The difference in electronic structure of MAPI and MASI perovskites and its effect on the interface alignment to the HTMs spiro-MeOTAD and CuI." Journal of Materials Chemistry C 7, no. 18 (2019): 5324–32. http://dx.doi.org/10.1039/c8tc06332j.

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We have studied the electronic structure of CH₃NH₃PbI₃ (MAPI) and CH₃NH₃SnI₃ (MASI) perovskite films by performing X-ray photoelectron spectroscopy (XPS) measurements on in situ grown perovskite films.

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21

Chen, Shuhuang, Jie Zhang, Jinhua Piao, and Zhiyong Fu. "Ion-exchange-induced MAPbI3 thin-film 3D–2D and 3D–1D conversions: unveiling structural transformations in films via synergistic and competitive approaches." New Journal of Chemistry 45, no. 16 (2021): 7103–8. http://dx.doi.org/10.1039/d1nj00810b.

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22

Mathies, Florian, Tobias Abzieher, Adam Hochstuhl, Konstantin Glaser, Alexander Colsmann, Ulrich W. Paetzold, Gerardo Hernandez-Sosa, Uli Lemmer, and Aina Quintilla. "Multipass inkjet printed planar methylammonium lead iodide perovskite solar cells." Journal of Materials Chemistry A 4, no. 48 (2016): 19207–13. http://dx.doi.org/10.1039/c6ta07972e.

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23

Battula, Ramya Krishna, Ganapathy Veerappan, P. Bhyrappa, C. Sudakar, and Easwaramoorthi Ramasamy. "Stability of MAPbI3 perovskite grown on planar and mesoporous electron-selective contact by inverse temperature crystallization." RSC Advances 10, no. 51 (2020): 30767–75. http://dx.doi.org/10.1039/d0ra05590e.

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24

Rodet, Marie. "Documenting the History of Slavery on Film in Kayes, Mali." Journal of Global Slavery 5, no. 1 (February 28, 2020): 89–104. http://dx.doi.org/10.1163/2405836x-00501009.

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Abstract In 2010 I filmed descendants of formerly enslaved populations in Kayes narrating the history of their ancestors and the realities of internal slavery in West Africa. The result was a 23-minute documentary film entitled “The Diambourou: Slavery and Emancipation in Kayes—Mali,” which was released in 2014. The film was as much responding to specific historiographical questions in the field as a tool of research action to raise awareness among younger generations and to fight legacies of social discrimination today. With the exactions perpetuated against descendants of formerly enslaved populations in the Kayes region since 2018, the film, via its access-free online version, has experienced a second life as an anti-slavery activist medium, helping to bridge the gap between endogenous historical fighting against slavery and contemporary anti-slavery activism in the Soninke diaspora.

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Zhang, Yunxin, Siqi Chen, Hao Chen, Guodong Zhang, Min Zhao, Chengjie Zhao, Wenfei Guo, Wenjie Ji, Zhiqiang Shi, and Tonggang Jiu. "Highly-improved performance of inverted planar perovskite solar cells by glucose modification." Journal of Materials Chemistry C 8, no. 17 (2020): 5894–903. http://dx.doi.org/10.1039/d0tc00365d.

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Chauhan, Mihirsinh, Yu Zhong, Konstantin Schötz, Brijesh Tripathi, Anna Köhler, Sven Huettner, and Fabian Panzer. "Investigating two-step MAPbI3 thin film formation during spin coating by simultaneous in situ absorption and photoluminescence spectroscopy." Journal of Materials Chemistry A 8, no. 10 (2020): 5086–94. http://dx.doi.org/10.1039/c9ta12409h.

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27

Soni, Aditi, and Anjali Oak. "Comparison of Canal Transportation and Centric Ability of Two Nickel-Titanium Rotary Systems Using Cone Beam Computed Tomography: An In Vitro Study." Dental Journal of Advance Studies 6, no. 02/03 (December 2018): 076–79. http://dx.doi.org/10.1055/s-0038-1677627.

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Abstract Aim The aim of this study was to compare the canal transportation and canal centric ability of One Shape (Micro Mega, Besançon, France) and Mani Silk (Mani Utsunomiya, Tochigi, Japan) nickel-titanium (NiTi) rotary files in curved canals with the help of cone beam computed tomography (CBCT). Materials and Methods Total 40 mesiobuccal canals of maxillary molars with an angle of curvature ranging between 25 and 45 degrees were divided according to the instrument used in canal preparation into two groups 20 samples each: One Shape (group 1) and Mani Silk (group 2). Pre- and post-instrumentation scans were performed using CBCT (Carestream CS 9300 scanner) to evaluate the transportation and centric ability at apical, middle, and coronal levels using unpaired Student's t-test. Results Mani Silk file showed significantly less canal transportation and better canal centric ability compared to One Shape system. Conclusion Mani Silk file maintained original canal curvature better than One Shape NiTi rotary file.

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Pham, Ngoc Duy, Vincent Tiing Tiong, Peng Chen, Lianzhou Wang, Gregory J. Wilson, John Bell, and Hongxia Wang. "Enhanced perovskite electronic properties via a modified lead(ii) chloride Lewis acid–base adduct and their effect in high-efficiency perovskite solar cells." Journal of Materials Chemistry A 5, no. 10 (2017): 5195–203. http://dx.doi.org/10.1039/c6ta11139d.

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29

da Silva, Jeann Carlos, Francineide Lopes de Araújo, Rodrigo Szostak, Paulo Ernesto Marchezi, Raphael Fernando Moral, Jilian Nei de Freitas, and Ana Flávia Nogueira. "Effect of the incorporation of poly(ethylene oxide) copolymer on the stability of perovskite solar cells." Journal of Materials Chemistry C 8, no. 28 (2020): 9697–706. http://dx.doi.org/10.1039/d0tc02078h.

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30

Stadelmaier, Philipp. "Unterwegs. Zum Kino von Albert Serra." Zeitschrift für Katalanistik 27 (July 1, 2014): 127–41. http://dx.doi.org/10.46586/zfk.2014.127-141.

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Summary: Marching is an essential element in the films of Catalan director Albert Serra. But, while Don Quichotte and Sancho cross the Mancha and the Three Magi walk through a global desert, their motion is often interrupted, postponed, disturbed. That is why, through Serra’s filmography, the shots become more and more like paintings and still lives. The suspense between motion and immobility in Serra’s cinema indicates something beyond the visible movement, the visible marching and the visible paths (and maybe the visible in general): another hidden motion of the characters, the images and the film, which is still “on the way” to motion – and thus to cinema itself. [Keywords: Albert Serra; Honor de cavalleria; El cant dels ocells; Història de la meva mort; death of cinema; autothanatography; still life; painting; fiction]

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Herrera Martínez, Walter O., Paula Giudici, Natalia B. Correa Guerrero, M. Luján Ibarra, and M. Dolores Perez. "Effect of high energy proton irradiation on MAPbI3 films for space applications observed by micro-Raman spectroscopy." Materials Advances 1, no. 6 (2020): 2068–73. http://dx.doi.org/10.1039/d0ma00583e.

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Gimeno, David, Jaime Gonzalez-Buesa, Rosa Oria, Maria Eugenia Venturini, and Esther Arias. "Effect of Modified Atmosphere Packaging (MAP) and UV-C Irradiation on Postharvest Quality of Red Raspberries." Agriculture 12, no. 1 (December 28, 2021): 29. http://dx.doi.org/10.3390/agriculture12010029.

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Red raspberries (Rubus idaeus L.) are highly appreciated by consumers. However, their postharvest shelf life scarcely exceeds 5 d under the refrigeration temperatures usually applied during commercialization, due to their high susceptibility to dehydration, softening and rot incidence. Thus, the objective of this study was to investigate the ability of UV-C radiation (UV1: 2 kJ m−2 and UV2: 4 kJ m−2), passive modified atmosphere packaging (MAP) with transmission rates (TR) for O2 and CO2 of 1805 mL d−1 and 1570 mL d−1 (MAP1), and 902 mL d−1 and 785 mL d−1 (MAP2), respectively, and the combination of both technologies to prolong raspberries’ shelf life at 6 °C. Their influence on respiration, physicochemical parameters, and microbiological and nutritional quality was assessed during 12 d of storage. The combination of 4 kJ m−2 UV-C radiation and a packaging film with O2 and CO2 transmission rates of 902 mL d−1 and 785 mL d−1, respectively, produced a synergistic effect against rot development, delaying senescence of the fruit. The UV2MAP2 and MAP2 samples only showed 1.66% rot incidence after 8 d of storage. The UV2MAP2 samples also had higher bioactive content (1.76 g kg−1 of gallic acid equivalents (GAE), 1.08 g kg−1 of catechin equivalents (CE) and 0.32 g kg−1 of cyanidin 3-O-glucoside equivalents (CGE)) than the control samples at the end of their shelf life. Moreover, the mass loss was minimal (0.56%), and fruit color and firmness were maintained during shelf life. However, the rest of the batches were not suitable for commercialization after 4 d due to excessive mold development.

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Uranga, Jone, Mª Goretti Llamas, Ziortza Agirrezabala, María Teresa Dueñas, Oier Etxebeste, Pedro Guerrero, and Koro de la Caba. "Compression Molded Soy Protein Films with Exopolysaccharides Produced by Cider Lactic Acid Bacteria." Polymers 12, no. 9 (September 16, 2020): 2106. http://dx.doi.org/10.3390/polym12092106.

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Two exopolysaccharide (EPS)-producing lactic acid bacteria (LAB) strains, Liquorilactobacillus (L.) sp CUPV281 and Liquorilactobacillus (L.) mali CUPV271, were isolated from Spanish apple must. Each of the strains produced a dextran, with different branching degrees, to be incorporated into soy protein isolate (SPI) film-forming formulations. Films were prepared by compression molding, a more rapid processing method than solution casting and, thus, with a greater potential for scaling-up production. Thermal analysis showed that SPI and EPS start the degradation process at temperatures above 190 °C, confirming that the compression temperature selected (120 °C) was well below the corresponding degradation temperatures. Resulting films were transparent and homogeneous, as shown by UV-Vis spectroscopy and SEM, indicating the good compatibility between SPI and EPS. Furthermore, FTIR analysis showed that the interactions between SPI and EPS were physical interactions, probably by hydrogen bonding among the polar groups of SPI and EPS. Regarding antifungal/fungistatic activity, LAB strains used in this study showed an inhibitory effect on germination of fungal spores.

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Jasiūnas, Rokas, Rokas Gegevičius, Marius Franckevičius, Vidmantas Jašinskas, and Vidmantas Gulbinas. "Energy Barriers Restrict Charge Carrier Motion in MAPI Perovskite Films." Advanced Optical Materials 8, no. 16 (May 25, 2020): 2000036. http://dx.doi.org/10.1002/adom.202000036.

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Cao, Jie, Feng Wang, Hui Yu, Yang Zhou, Haipeng Lu, Ni Zhao, and Ching-Ping Wong. "Porous PbI2 films for the fabrication of efficient, stable perovskite solar cells via sequential deposition." Journal of Materials Chemistry A 4, no. 26 (2016): 10223–30. http://dx.doi.org/10.1039/c6ta03121h.

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36

Shaikh, Huma, Gulsu Sener, Najma Memon, Muhammad Iqbal Bhanger, Shafi Muhammad Nizamani, Recep Üzek, and Adil Denizli. "Molecularly imprinted surface plasmon resonance (SPR) based sensing of bisphenol A for its selective detection in aqueous systems." Analytical Methods 7, no. 11 (2015): 4661–70. http://dx.doi.org/10.1039/c5ay00541h.

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Bisphenol A (BPA) imprinted poly(ethylene glycol dimethacrylate-N-methacryloyl-l-phenylalanine-vinyl imidazole) [poly(EGDMA-MAPA-VI)] film deposition on a SPR sensor with improved efficiency is described in this paper.

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Feldt, Laura. "Religion, fantasyfilm og fantastiske væsener:." Religionsvidenskabeligt Tidsskrift, no. 70 (May 25, 2020): 1–25. http://dx.doi.org/10.7146/rt.v0i70.120512.

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ENGLISH ABSTRACT: This article discusses the nexus of religion and media on the basis of an analysis of one example of religion in popular culture: the expansion of J.K. Rowling’s Harry Potter series in the book Fantastic Beasts and Where to Find Them (2001) and the subsequent film by the same title connected to the book (directed by David Yates, screenplay by J.K. Rowling 2016). I present a study of religion-based, media-focused approach to film analysis that distinguishes between verbal and non-verbal aspects of mediation. The analysis treats the mediation of religion – traditional religion, magic and monstrous beings – in the film, as well as the mediality of the film. The analysis shows that the film forms part of a broader trend that portrays traditional religion as ossified and authoritative, while magic, monsters and green religion are represented as fascinating and attractive. Moreover, I argue that the mediality of the film sustains a blurring of boundaries between worlds in terms of the film-internal world structure, in terms of the diegetic vs. the afilmic world, and in terms of the hu-man vs. the nonhuman world. The key argument of the article is that pop-cultural me-dia constitute an important arena for religion, as media such as fantasy films both re-flect and form religious transformations today. This arena needs more attention in the study of religion. DANSK RESUME: Denne artikel diskuterer religion og medier ud fra en analyse af et eksempel på religion i populærkultur, nemlig en videreudvikling relateret til J.K. Row-lings Harry Potter univers: udgivelsen af bogen Fantastic Beasts and Where to Find Them (2001), en bog der er fiktivt indlejret som undervisningsbog på Hogwarts School of Wizardry and Witchcraft, og den senere filmatisering der knytter sig til bo-gen, Fantastic Beasts and Where to Find Them (instrueret af David Yates, screenplay af J.K. Rowling 2016). Artiklen præsenterer en religionsvidenskabelig, mediefokuseret tilgang til filmanalyse, der inkluderer både verbale og non-verbale medierings-aspekter. Analysen behandler fremstillingen af religion – hhv. traditionel religion, magi og det monstrøse – i det filmiske univers, samt filmens medialitet. Analysen viser, at filmen indlejrer sig i en bredere trend, hvor traditionel religion fremstilles som forstenet og autoritær, mens magi, monstre og grøn religion fremstilles positivt og tiltrækkende, samt endvidere at filmens medialitet understøtter en udviskning af grænserne mellem verdener både i den tekst-interne verdensstruktur, mellem den diegetiske og den afilmi-ske verden, samt mellem den humane og den non-humane verden. Artiklen argumente-rer grundlæggende for at populærkulturelle medier såsom fantasyfilm udgør en vigtig arena for religion, og at denne arena bør behandles religionsvidenskabeligt, da den både afspejler og former religiøse forandringer i samtiden.

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Fu, Xianwei, Shilong Jiao, Ning Dong, Gang Lian, Tianyu Zhao, Song Lv, Qilong Wang, and Deliang Cui. "A CH3NH3PbI3 film for a room-temperature NO2 gas sensor with quick response and high selectivity." RSC Advances 8, no. 1 (2018): 390–95. http://dx.doi.org/10.1039/c7ra11149e.

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39

Panayotov, Ivan V., Pierre-Yves Collart-Dutilleul, Hamideh Salehi, Marta Martin, Attila Végh, Jacques Yachouh, Boyan Vladimirov, et al. "Sprayed Cells and Polyelectrolyte Films for Biomaterial Functionalization: The Influence of Physical PLL-PGA Film Treatments on Dental Pulp Cell Behavior." Macromolecular Bioscience 14, no. 12 (September 11, 2014): 1771–82. http://dx.doi.org/10.1002/mabi.201400256.

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40

Bhattacharya, Indranil. "Sound and the masters: The aural in Indian art cinema." Studies in South Asian Film & Media 12, no. 1 (February 1, 2021): 49–66. http://dx.doi.org/10.1386/safm_00037_1.

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The study of art cinema has emerged as a richly discursive, but, at the same time, a deeply contested terrain in recent film scholarship. This article examines the discourse of art cinema in India through the prism of sound style and aesthetics. It analyses the sonic strategies deployed in the films of Satyajit Ray, Ritwik Ghatak, Mrinal Sen and Mani Kaul, in order to identify the dominant stylistic impulses of sound in art cinema, ranging from Brechtian epic realism on one hand to Indian aesthetic theories on the other. Locating sound as a key element in the discourse of art cinema, the article surveys the different modes through which aesthetic philosophies were translated into formal strategies of sound recording, designing and mixing. Using previous scholarship on art cinema in India as the point of departure, this study combines theoretically informed textual analysis with new historical insights on Indian cinema.

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Ince, Kate. "Ethics, Universality and Vulnerability in Abderrahmane Sissako's Bamako (2006) and Timbuktu (2014)." Paragraph 41, no. 2 (July 2018): 167–83. http://dx.doi.org/10.3366/para.2018.0261.

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This article adds philosopher Judith Butler to the list of thinkers whose work underpins the interest in ethics and/in film that began in earnest in the 2000s. Beginning with Precarious Life: Powers of Mourning and Violence (2004), Butler has published several volumes that blend ethical thinking with moral theory and political philosophy, focusing on the concepts of precariousness and vulnerability. This article suggests that two films directed by Abderrahmane Sissako, Bamako (2006) and Timbuktu (2014), as dramas of precariousness and vulnerability respectively, can inform thinking about cinematic ethics: the staging of a trial of global institutions in Bamako dramatizes the possible universalization of an ethic of precarity, while in Timbuktu the condemnation to death of a Tuareg shepherd by Ansar Dine, the militant Islamist group that occupied parts of Mali in 2012, allows Sissako to give full rein to his talent for filming the vulnerability of both victims and oppressors.

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Lu, Yue, Jingcong Hu, Yang Ge, Bohai Tian, Zeyu Zhang, and Manling Sui. "Decisive influence of amorphous PbI2−x on the photodegradation of halide perovskites." Journal of Materials Chemistry A 9, no. 26 (2021): 15059–67. http://dx.doi.org/10.1039/d1ta01730f.

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Amorphous PbI_2−x is the critical intermediate phase during the step-by-step decomposition from MAPbI₃ to metallic Pb⁰, and it dominates the interfacial-controlled photodegradation pathway of the perovskite film.

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43

Ali, Afzal, Sazid Hussain, Sandeep Metgud, Shashank Mishra, Ankita Sharma, and Nikita Gupta. "Comparative assessment of manual, rotary and reciprocating instruments for removal of root fillings, using stereomicroscope: An in vitro study." Bangladesh Medical Research Council Bulletin 45, no. 1 (June 15, 2019): 54–61. http://dx.doi.org/10.3329/bmrcb.v45i1.41809.

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Background: To investigate the efficiency of Hedstrom (H; Dentsply Maillefer) file, Protaper Universal Retreatment system (PTUR; Dentsply Maillefer), Mani NRT-GPR files (Mani, Japan) and WaveOne (WO; Dentsply Maillefer) Reciprocating files in removing Gutta Percha (GP) and sealer from root canals. Methods: Sixty canals with less than 10° curvature from extracted human maxillary incisors were used. Root canal reinstrumentation was performed with H, PTUR, Mani NRT-GPR and WO files. Amount of residual root filling material (Gutta-percha and or sealer) were measured by using stereomicroscope. Data of GP or sealer remnants were statistically analyzed using one-way analysis of variance and Tukey test. Results: There were no significant differences among 4 groups in terms of residual root filling material in the apical third (p > 0.05). H-file group showed highest amount of root residual root filling as compared to groups. Conclusions: Reciprocating file system proved to be more efficient in removing the root canal fillings material than other retreatment file systems. H file group showed highest amount of root canal filling material. Bangladesh Med Res Counc Bull 2019; 45: 54-61

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44

Prochowicz, D., M. Franckevičius, A. M. Cieślak, S. M. Zakeeruddin, M. Grätzel, and J. Lewiński. "Mechanosynthesis of the hybrid perovskite CH3NH3PbI3: characterization and the corresponding solar cell efficiency." Journal of Materials Chemistry A 3, no. 41 (2015): 20772–77. http://dx.doi.org/10.1039/c5ta04904k.

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We present a facile mechanochemical route for the preparation of hybrid CH₃NH₃PbI₃ (MAPbI₃) perovskite particles with the size of several hundred nanometers for high-efficiency thin-film photovoltaic devices.

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MAJUMDAR, ROCHONA. "Debating Radical Cinema: A History of the Film Society Movement in India." Modern Asian Studies 46, no. 3 (November 18, 2011): 731–67. http://dx.doi.org/10.1017/s0026749x11000710.

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AbstractThis paper offers a history of the creation and development of film societies in India from 1947 to 1980. Members of the film society movement consisted of important Indian film directors such as Satyajit Ray, Ritwik Ghatak, Shyam Benegal, Basu Chatterji, Mani Kaul, G. Aravindan, Kumar Shahani, Adoor Gopalkrishnan, and Mrinal Sen, as well as film enthusiasts, numbering about 100,000 by 1980. The movement, confined though it was to members who considered themselves film aficionados, was propelled by debates similar to those that animated left-oriented cultural movements which originated in late colonial India, namely, the Progressive Writers Association in 1936, and the Indian People's Theatre Association in 1942. By looking at the film society movement as an early and sustained attempt at civil-social organization in postcolonial India, this paper highlights the two distinct definitions of ‘good cinema’—from an aesthetically sophisticated product to a radical political text—that were debated during the time of the movement.

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Li, Mengjie, Bo Li, Guozhong Cao, and Jianjun Tian. "Monolithic MAPbI3 films for high-efficiency solar cells via coordination and a heat assisted process." J. Mater. Chem. A 5, no. 40 (2017): 21313–19. http://dx.doi.org/10.1039/c7ta06766f.

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A compact monolithic CH₃NH₃PbI₃ (MAPbI₃) film with micrometer-scale grains was prepared by CH₃NH₃Cl (MACl) coordination and a heat assisted process (HAP) towards high-efficiency solar cells.

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Yao, Jiaxu, Hui Wang, Pang Wang, Robert S. Gurney, Akarin Intaniwet, Pipat Ruankham, Supab Choopun, Dan Liu, and Tao Wang. "Trap passivation and efficiency improvement of perovskite solar cells by a guanidinium additive." Materials Chemistry Frontiers 3, no. 7 (2019): 1357–64. http://dx.doi.org/10.1039/c9qm00112c.

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Incorporation of an effective additive 1,3-diaminoguanidine monohydrochloride in MAPbI₃ film can increase the grain size and reduce trap density, consequently increasing the carrier lifetime and reducing charge recombination, leading to an improved efficiency from 19.1% to 20.3% in a p–i–n structured solar cell.

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Li, Bo, Chengbin Fei, Kaibo Zheng, Xuanhui Qu, Tönu Pullerits, Guozhong Cao, and Jianjun Tian. "Constructing water-resistant CH3NH3PbI3perovskite films via coordination interaction." Journal of Materials Chemistry A 4, no. 43 (2016): 17018–24. http://dx.doi.org/10.1039/c6ta06892h.

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2-aminoethanethiol in perovskite films improves the intrinsic water-resistance, and the films can retain the MAPbI₃perovskite crystal structure when immersed in water for a long time (>10 minutes).

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Nori, Gauri. "The rise of experimental film festivals in India." Studies in South Asian Film & Media 10, no. 1 (October 1, 2019): 7–22. http://dx.doi.org/10.1386/safm_00002_1.

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Abstract This article will examine the emergence of independent platforms to screen radical and alternative cinema in India by tracing two case-studies: Experimenta, a biannual festival curated by Shai Heredia, and The New Medium section curated by Shaina Anand. While Experimenta has remained largely independent, relying on the support of established artists and cultural organizations, The New Medium section has managed to secure its place within the programme of the MAMI Mumbai Film Festival (MFF). Although their approach may differ, both curators are committed to promoting a culture of moving image experimentation in the country. Drawing on first-hand observations, interviews and scrutinizing festival ephemera, this article aims to identify the curatorial practices and strategies that have established these alternative film festivals both within the international film festival network and the larger film community in the country.

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Parrott, Elizabeth S., Jay B. Patel, Amir-Abbas Haghighirad, Henry J. Snaith, Michael B. Johnston, and Laura M. Herz. "Growth modes and quantum confinement in ultrathin vapour-deposited MAPbI3 films." Nanoscale 11, no. 30 (2019): 14276–84. http://dx.doi.org/10.1039/c9nr04104d.

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We examine the initial growth modes of MAPbI₃ films deposited by co-evaporation, with average thicknesses from 2–320 nm. Electronic quantum confinement effects are observed for films with average thickness below 40 nm.

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