Academic literature on the topic 'FAPbBr3'

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Journal articles on the topic "FAPbBr3"

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Joo, Sung Hwan, Chung Wung Bark, and Hyung Wook Choi. "Enhancement of Perovskite Solar-Cell Efficiency Using FAPbBr3/I3 with Methylammonium Chloride." Journal of Nanoelectronics and Optoelectronics 16, no. 6 (June 1, 2021): 879–83. http://dx.doi.org/10.1166/jno.2021.3015.

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Organic/inorganic metal halide formamidinium lead iodide (FAPbI3) perovskites exhibit excellent optical properties, a suitable band gap, a wide light-absorption range, and superior electron-hole mobility. However, it is difficult to fabricate high-quality α-phase FAPbI3 film due to the relatively easy formation of the more stable δ-FAPbI3 (hexagonal structure). To overcome this, in this study, formamidinium lead bromide (FAPbBr3) was used to induce the synthesis of stable α-phase FAPbI3. The resulting light-absorbing layer was composed of (FAPbI3)0.95 (FAPbBr3)0.05, but δ-phase FAPbI3 could be still observed. To suppress the formation of δ-phase FAPbI3 , methylammonium chloride (MACl) was added to the (FAPbI3)0.95 (FAPbBr3)0.05 precursor solution. At an optimal MACl content of 40 mol%, perovskites with improved crystallinity and large crystallite size could be fabricated, resulting in a perovskite solar-cell efficiency of 18.204%.
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Zhang, Menglong, Weizhe Wang, Fangliang Gao, and Dongxiang Luo. "g-C3N4-Stabilised Organic–Inorganic Halide Perovskites for Efficient Photocatalytic Selective Oxidation of Benzyl Alcohol." Catalysts 11, no. 4 (April 16, 2021): 505. http://dx.doi.org/10.3390/catal11040505.

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The outstanding optoelectronic performance and facile synthetic approach of metal halide perovskites has inspired additional applications well beyond efficient solar cells and light emitting diodes (LEDs). Herein, we present an alternative option available for the optimisation of selective and efficient oxidation of benzylic alcohols through photocatalysis. The materials engineering of hybrids based on formamidine lead bromide (FAPbBr3) and graphic carbon nitride (g-C3N4) is achieved via facile anti-solvent approach. The photocatalytic performance of the hybrids is highly reliant on weight ratio between FAPbBr3 and g-C3N4. Besides, the presence of g-C3N4 dramatically enhances the long-term stability of the hybrids, compared to metal oxides hybrids. Detailed optical, electrical and thermal studies reveal the proposed novel photocatalytic and stability behaviours arising in FAPbBr3 and g-C3N4 hybrid materials.
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Li, Miaozi, Juanhong Wang, Chaohuang Mai, Yangke Cun, Binbin Zhang, Guohui Huang, Danmu Yu, et al. "Bifacial passivation towards efficient FAPbBr3-based inverted perovskite light-emitting diodes." Nanoscale 12, no. 27 (2020): 14724–32. http://dx.doi.org/10.1039/d0nr02323j.

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Franz, Alexandra, Daniel M. Többens, Frederike Lehmann, Martin Kärgell, and Susan Schorr. "The influence of deuteration on the crystal structure of hybrid halide perovskites: a temperature-dependent neutron diffraction study of FAPbBr3." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 76, no. 2 (March 20, 2020): 267–74. http://dx.doi.org/10.1107/s2052520620002620.

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This paper discusses the full structural solution of the hybrid perovskite formamidinium lead tribromide (FAPbBr3) and its temperature-dependent phase transitions in the range from 3 K to 300 K using neutron powder diffraction and synchrotron X-ray diffraction. Special emphasis is put on the influence of deuteration on formamidinium, its position in the unit cell and disordering in comparison to fully hydrogenated FAPbBr3. The temperature-dependent measurements show that deuteration critically influences the crystal structures, i.e. results in partially-ordered temperature-dependent structural modifications in which two symmetry-independent molecule positions with additional dislocation of the molecular centre atom and molecular angle inclinations are present.
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Tjahjana, Liliana, Kwan Lee, Xin Yu Chin, Landobasa Y. M. Tobing, Gede W. P. Adhyaksa, Dao Hua Zhang, Muhammad Danang Birowosuto, and Hong Wang. "Controlling Spontaneous Emission from Perovskite Nanocrystals with Metal–Emitter–Metal Nanostructures." Crystals 11, no. 1 (December 22, 2020): 1. http://dx.doi.org/10.3390/cryst11010001.

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We show the increase of the photoluminescence intensity ratio (PLR) and the emission rate enhancement of perovskite cesium lead bromide (CsPbBr3) and formamidinium lead bromide (FAPbBr3) nanocrystals (NCs) in the presence of single and double gold layer cavities, which we refer to as Metal-Emitter (ME) and Metal-Emitter-Metal (MEM) nanostructures. Up to 1.9-fold PLRs and up to 5.4-fold emission rate enhancements were obtained for FAPbBr3 NCs confined by double gold layers, which are attributed to plasmonic confinement from the gold layers. The experimentally obtained values are validated by analytical calculations and electromagnetic simulations. Such an effective method of manipulation of the spontaneous emission by simple plasmonic nanostructures can be utilized in sensing and detection applications.
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Liu, Jinqiu, Fengrui Hu, Yong Zhou, Chunfeng Zhang, Xiaoyong Wang, and Min Xiao. "Polarized emission from single perovskite FAPbBr3 nanocrystals." Journal of Luminescence 221 (May 2020): 117032. http://dx.doi.org/10.1016/j.jlumin.2020.117032.

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Rubino, Andrea, Tahiyat Huq, Jakub Dranczewski, Gabriel Lozano, Mauricio E. Calvo, Stefano Vezzoli, Hernán Míguez, and Riccardo Sapienza. "Efficient third harmonic generation from FAPbBr3 perovskite nanocrystals." Journal of Materials Chemistry C 8, no. 45 (2020): 15990–95. http://dx.doi.org/10.1039/d0tc04790b.

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Experimental evidence and characterization of nonlinear third harmonic generation from hybrid FAPbBr3 perovskite nanocrystals embedded in a porous thin film demonstrate a new potential application of these semiconductors.
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Paul, Tufan, Soumen Maiti, Upasana Mukherjee, Suvankar Mondal, Aditi Sahoo, and Kalyan Kumar Chattopadhyay. "Cube shaped FAPbBr3 for piezoelectric energy harvesting devices." Materials Letters 301 (October 2021): 130264. http://dx.doi.org/10.1016/j.matlet.2021.130264.

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Liu, Zhenjie, Xulan Xue, Zhihui Kang, Rong Wang, Han Zhang, and Wenyu Ji. "Achieving high-performance in situ fabricated FAPbBr3 and electroluminescence." Optics Letters 46, no. 17 (August 30, 2021): 4378. http://dx.doi.org/10.1364/ol.439183.

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Zhang, Yongfei, Yongqi Liang, Yajuan Wang, Fengwan Guo, Licheng Sun, and Dongsheng Xu. "Planar FAPbBr3 Solar Cells with Power Conversion Efficiency above 10%." ACS Energy Letters 3, no. 8 (July 2, 2018): 1808–14. http://dx.doi.org/10.1021/acsenergylett.8b00540.

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Dissertations / Theses on the topic "FAPbBr3"

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Smolková, Denisa. "Studium optických vlastností tenkých vrstev prekurzorů pro přípravu monokrystalů perovskitů FAPbBr3." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-445136.

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This thesis examines the preparation of thin layers of material for photovoltaic applications with focused on perovskites and determining their optical properties. Basic information about the photovoltaic panels, especially about the perovskites, and the preparation of thin layers is supplied in the theoretical section. This section includes description of optical properties and the main method of study of optical properties, spectroscopic ellipsometry. Experimental section is focused on the preparation of thin layers of perovskites FAPbBr3 and its precursors by spin-coating. Optical properties are evaluated using profilometry, UV VIS spectrometry and spectroscopic ellipsometry. The conclusion summarizes the results of this experiment with focused on comparison of ellipsometric spectrums of perovskites and its precursors.
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Ruan, Jun-Hao, and 阮峻豪. "Propertices of MAPbI3 perovskite solar cells with FAPbX3 quantum dots." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/z3kh7f.

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碩士
國立臺北科技大學
光電工程系
106
In this study,MAPbI3 was coated on ITO (Indium Tin Oxide) substrate with a PEDOT:PSS film to form a thin film in a nitrogen-filled glove box, followed by a layer of QD (FAPbBr1.5I1.5 , FAPbBrI2) thin film, followed by thermal evaporation of C60, Ag, and finally made into a perovskite solar cell of Glass / ITO/ PEDOT:PSS / MAPbI3/ QD-FAPbX3 /C60 / Ag, with PEDOT:PSS as a hole transmission layer, MAPbI3, QD as a light absorbing layer, and C60 acts as an electron transport layer. This paper is mainly to synthesize FAPbX3 Perovskite Quantum Dots (QD-FAPbBr1.5I1.5, FAPbBrI2) by a simple method to calculate the equivalent powder, and then dope n-octylamine, oleic acid to make QD better. The exciton binding energy, surface morphology and stability, the color part is brown-red, can get higher wavelength light after excitation. For the characteristic analysis of the components,using a field emission scanning electron microscope(SEM) to analysis morphology and the cross-sectional structure of the thin film, and the Ultraviolet/visible spectrophotometer analysis of its penetration, absorption spectrum, optical excitation light measurement system to analyze the optical properties, the component part is measured by a solar simulator to measure its J-V curve to obtain its open-circuit voltage (Voc), current density (Jsc), fill factor (FF), and photoelectric conversion efficiency (PCE).
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WEI, HSIANG-YU, and 魏祥宇. "Preparation of perovskite FAPbX3 quantum dots and application of light-emitting diodes." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/mtnkph.

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碩士
國立臺北科技大學
光電工程系
107
In this study, the perovskite FAPbX3 quantum dots was prepared by using the ultrasonic oscillation method to prepare quantum dot solution. It is mainly to synthesize FAPbX3 Perovskite Quantum Dots (QD-FAPbBr2I, FAPbBr1.5I1.5, FAPbBrI2) by a simple method to calculate the equivalent powder, and then dope n-octylamine, oleic acid to make QD better. The exciton binding energy, surface morphology and stability, the color part is brown-red, can get higher wavelength light after excitation. In order to make the perovskite quantum dot solution more widely used, we tried to prepare a thin film of QD-FAPbX3 quantum dot solution by spin coating, and it can be used as an active layer on the light emitting diode element. The preparation of the film through the purification process, the synthesis of the ligand (oleic acid) is removed, the purified QD-FAPbX3 powder as Chlorobenzene (CB) as a dispersion solvent, coated in the device structure is Glass/ITO/PEDOT: PSS/PVK/QD-FAPbX3/PVK /TPBi/Ag light-emitting diode transparent conductive glass, wherein PEDOT:PSS is used as the hole injection Layer and PVK is used as the hole transport layer, QD-FAPbX3 is used as the working layer, PVK is used as the electron transport layer, and TPBi is used as the electron injection Layer, Ag electrode. For material analysis of QD-FAPbX3, using a field emission scanning electron microscope (SEM), transmission electron microscope (TEM), ultraviolet/visible spectrophotometer, photoluminescence (PL), X-ray diffractometer (XRD). The light-emitting diodes are further characterized by the current vs. voltage (I-V), luminescence vs. voltage (L-V), external quantum efficiency (EQE) and electroluminescence (EL) measurements.
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Book chapters on the topic "FAPbBr3"

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Shirai, Hajime. "Spectroscopic Ellipsometry Study of Organic-Inorganic Halide: FAPbIxBr3−x Perovskite Thin Films by Two-Step Method." In Ellipsometry - Principles and Techniques for Materials Characterization. InTech, 2017. http://dx.doi.org/10.5772/intechopen.70281.

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Conference papers on the topic "FAPbBr3"

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Han, Bing, Xiaohui Ning, Qingling Meng, Jin Yan, Chenchen Xie, Ran Ding, and Zuobin Wang. "High output piezoelectric composite nanogenerators composed of FAPbBr3-PVDF." In 2017 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO). IEEE, 2017. http://dx.doi.org/10.1109/3m-nano.2017.8286321.

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Wright, Adam. "Band-tail trapping in FAPbI3 perovskite." In 4th Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics. València: Fundació Scito, 2019. http://dx.doi.org/10.29363/nanoge.iperop.2020.020.

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Wright, Adam, Rebecca Milot, Giles Eperon, Henry Snaith, Michael Johnston, and Laura Herz. "Band Tail States in FAPbI3: Characterization and Simulation." In 3rd International Conference on Perovskite Thin Film Photovoltaics, Photonics and Optoelectronics. Valencia: Fundació Scito, 2017. http://dx.doi.org/10.29363/nanoge.abxpvperopto.2018.003.

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Ibaceta-Jaña, Josefa, Ruslan Muydinov, Pamela Rosado, Sri Hari Bharath Vinoth Kumar, Rene Gunder, Axel Hoffmann, Bernd Szyszka, and Markus R. Wagner. "Structural changes in FAPbI3: thermal and temporal phase-transitions detected by Raman spectroscopy." In 13th Conference on Hybrid and Organic Photovoltaics. València: Fundació Scito, 2021. http://dx.doi.org/10.29363/nanoge.hopv.2021.032.

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Seyyed Abadi, Negar Mashhadi, Mehdi Banihashemi, and Alireza Kashaninia. "Simulation and Analysis of a Perovskite Solar Cell with (FAPbI3)0.85(MAPbBr3)0.15 as Absorber Layer." In 2019 27th Iranian Conference on Electrical Engineering (ICEE). IEEE, 2019. http://dx.doi.org/10.1109/iraniancee.2019.8786587.

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