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Articles de revues sur le sujet « Dye-sensitized solar cells (DSCs) »

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Auteur : Grafiati
Publié le 14 mars 2023

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1

Muñoz-García, Ana Belén, Iacopo Benesperi, Gerrit Boschloo, Javier J. Concepcion, Jared H. Delcamp, Elizabeth A. Gibson, Gerald J. Meyer et al. « Dye-sensitized solar cells strike back ». Chemical Society Reviews 50, no 22 (2021) : 12450–550. http://dx.doi.org/10.1039/d0cs01336f.

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Dye-sensitized solar cells (DSCs) are celebrating their 30th birthday and they are attracting a wealth of research efforts aimed at unleashing their full potential. Righteous font designed by Astigmatic and licensed under the Open Font License.
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Jayaweera, E. N., C. S. K. Ranasinghe, G. R. A. Kumara et R. M. G. Rajapakse. « Highly Efficient SnO2/MgO Composite Film-Based Dye-Sensitized Solar Cells Sensitized with N719 and D358 Dyes ». International Journal of Nanoscience 13, no 04 (août 2014) : 1440006. http://dx.doi.org/10.1142/s0219581x14400067.

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SnO 2/ MgO composite film-based dye-sensitized solar cells (DSCs), sensitized with both N719 dye and metal-free D358 dye, employing [Formula: see text] redox couple-based liquid electrolyte, show superior performance to those sensitized with only D358 dye, and N719 dye. A significant improvement in the power conversion efficiency was attained by co-sensitizing the N719-based DSCs with metal-free D358 dye when compared to those obtained for DSCs with individual dyes. As confirmed by UV-visible absorption spectra, N719 dye adsorption is more prominent than that of D358 dye when sensitizing the SnO 2/ MgO composite film with the two dyes, D358 and N719. However, N719 and D358 dyes, when used alone, are prone to form aggregates on the SnO 2/ MgO composite film, when N719 dye is used together with D358, the latter effectively suppresses the aggregation of N719 dye on the SnO 2/ MgO composite film, thereby enhancing the power conversion efficiency of the DSCs. Hence, the corresponding power conversion efficiency of the SnO 2/ MgO composite film-based DSCs can be significantly improved by sensitizing with both N719 and D358 dyes. The reported power conversion efficiencies for the SnO 2/ MgO composite film-based DSCs, sensitized with, (a) D358 dye, (b) N719 dye, and (c) both N719 dye and D358 dye, are 6.37%, 7.43% and 8.60% respectively, under AM 1.5 illumination.
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PENG, WENQIN, MASATOSHI YANAGIDA et LIYUAN HAN. « RUTILE-ANATASE TiO2 PHOTOANODES FOR DYE-SENSITIZED SOLAR CELLS ». Journal of Nonlinear Optical Physics & ; Materials 19, no 04 (décembre 2010) : 673–79. http://dx.doi.org/10.1142/s0218863510005571.

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Nanocrystalline rutile-anatase mixing phase TiO2 film was synthesized for dye-sensitized solar cells (DSCs). The mixing-phase nanocrystals, composed of 52 wt% rutile and 48 wt% anatase, contained nanorods with diameter of 20 nm and the length of more than 200 nm ascribed to rutile phase. The short circuit photocurrent of DSCs based on the rutile-anatase TiO2 nanocrystals was enhanced in comparison with that of DSCs based on anatase TiO2 because the light was effectively scattered by rutile nanorods in the mixing-phase TiO2 films.
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Zeng, You, Li Jia Zhao, Ying Zhen, Fang Xiao Shi et Yu Tong. « Preparation and Photovoltaic Properties of Flexible Dye-Sensitized Solar Cells ». Advanced Materials Research 306-307 (août 2011) : 112–15. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.112.

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Flexible dye-sensitized solar cells (DSCs) were prepared by using carbon nanotube transparent conductive films (CNT-TCFs) as flexible substrates, and their photovoltaic properties were investigated as well. The flexible DSCs show typical photovoltaic characteristics with short-circuit current of 0.78 μA and open-circuit voltage of 1.48 mV, which was strongly influenced by heat-treatment temperature, type of dyes, and electrical resistivity. In light of their lighter weight and higher flexibility than conventional DSCs based on conductive glass substrates, the flexible DSCs have great potential as functional photoelectric components in many fields.
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Shao, ZhiPeng, Xu Pan, HaiWei Chen, Li Tao, WenJun Wang, Yong Ding, Bin Pan, Shangfeng Yang et Songyuan Dai. « Polymer based photocathodes for panchromatic tandem dye-sensitized solar cells ». Energy Environ. Sci. 7, no 8 (2014) : 2647–51. http://dx.doi.org/10.1039/c4ee01315h.

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A novel polymer based photocathode with a secondary porous structure was developed for tandem dye-sensitized solar cells (pn-DSCs). Complementary absorption was realized in pn-DSCs. The resulting tandem devices achieved a panchromatic absorption and a power conversion efficiency of 1.30%.
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Vincent Joseph, K. L., N. T. Mary Rosana, R. Easwaramoorthi, J. Judith Vijaya, S. Karthikeyan et J. K. Kim. « Output current enhancement of hexylthiophene functionalized D–π-extended–A triphenylamine in dye sensitized solar cells ». New Journal of Chemistry 43, no 27 (2019) : 10834–40. http://dx.doi.org/10.1039/c9nj01970g.

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In this work, we report the synthesis of triphenylamine based D–π-extended–A hexylthiophene functionalized MY-102 dye and its solar power conversion efficiency improvement in dye sensitized solar cells (DSCs).
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Kathiravan, Arunkumar, Murugesan Panneerselvam, Karuppasamy Sundaravel, Nagaraj Pavithra, Venkatesan Srinivasan, Sambandam Anandan et Madhavan Jaccob. « Unravelling the effect of anchoring groups on the ground and excited state properties of pyrene using computational and spectroscopic methods ». Physical Chemistry Chemical Physics 18, no 19 (2016) : 13332–45. http://dx.doi.org/10.1039/c6cp00571c.

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Pepe, Giulio, Jacqueline M. Cole, Paul G. Waddell et Scott McKechnie. « Molecular engineering of cyanine dyes to design a panchromatic response in co-sensitized dye-sensitized solar cells ». Molecular Systems Design & ; Engineering 1, no 1 (2016) : 86–98. http://dx.doi.org/10.1039/c6me00014b.

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Kathiravan, Arunkumar, Venkatesan Srinivasan, Themmila Khamrang, Marappan Velusamy, Madhavan Jaccob, Nagaraj Pavithra, Sambandam Anandan et Kandavelu Velappan. « Pyrene based D–π–A architectures : synthesis, density functional theory, photophysics and electron transfer dynamics ». Physical Chemistry Chemical Physics 19, no 4 (2017) : 3125–35. http://dx.doi.org/10.1039/c6cp08180k.

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Chen, Xiao, Jian Wei Guo, Yu Hou, Yu Hang Li, Shuang Yang, Li Rong Zheng, Bo Zhang, Xiao Hua Yang et Hua Gui Yang. « Novel PtO decorated MWCNTs as a highly efficient counter electrode for dye-sensitized solar cells ». RSC Advances 5, no 11 (2015) : 8307–10. http://dx.doi.org/10.1039/c4ra12988a.

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PtO–MWCNTs nanocomposites were prepared and applied as the counter electrode in dye-sensitized solar cells (DSCs) for the first time. Excellent energy conversion efficiency indicated that the nanocomposite was a promising electrocatalyst for DSCs.
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Srinivasan, Venkatesan, Murugesan Panneer, Madhavan Jaccob, Nagaraj Pavithra, Sambandam Anandan et Arunkumar Kathiravan. « A diminutive modification in arylamine electron donors : synthesis, photophysics and solvatochromic analysis – towards the understanding of dye sensitized solar cell performances ». Physical Chemistry Chemical Physics 17, no 43 (2015) : 28647–57. http://dx.doi.org/10.1039/c5cp05338b.

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Guo, Wei, Qing Qing Miao, Gang Xin, Li Qiong Wu et Ting Li Ma. « Dye-Sensitized Solar Cells Based on Nitrogen-Doped Titania Electrodes ». Key Engineering Materials 451 (novembre 2010) : 21–27. http://dx.doi.org/10.4028/www.scientific.net/kem.451.21.

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Dye-sensitized solar cell(DSC) is a new type of photovoltaic device. This paper mainly describes the research results of the development of a novel nitrogen-doped photoanode for DSC in our group. Highly efficient dye-sensitized solar cells (DSCs) of 7.6-10.1% were fabricated using nitrogen-doped titania electrodes. The photoelectrochemical properties of the nitrogen-doped titania powder, film, and solar cell were systemically investigated. We confirmed the substitution of oxygen sites and oxygen deficiency with nitrogen atoms in the titania structure by X-ray photoemission spectroscopy (XPS). The UV-Vis spectra of the nitrogen-doped powder and film showed visible light absorption in the wavelength range between 400 nm and 535 nm. The results of the stability test indicated that the DSCs fabricated by the nitrogen-doped titania exhibited great stability.
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Apostolopoulou, Andigoni, Antonis Margalias et Elias Stathatos. « Functional quasi-solid-state electrolytes for dye sensitized solar cells prepared by amine alkylation reactions ». RSC Advances 5, no 72 (2015) : 58307–15. http://dx.doi.org/10.1039/c5ra08744a.

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Wang, Yan Xiang, Bing Xin Zhao et Jian Sun. « Fabrication of ZnO Nanospheres and Application to Dye-Sensitized Solar Cells ». Key Engineering Materials 512-515 (juin 2012) : 1545–48. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.1545.

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In this paper, pure ZnO nanospheres and IO3- ions doped ZnO nanospheres were prepared by heating under reflux with zinc acetate and diethylene glycol as raw materials, and the ZnO dye-sensitized solar cells (DSCs) were prepared. The influences of reaction time and IO3--ions dope on ZnO properties were studied. DSCs properties prepared with obtained ZnO nanospheres were investied. ZnO nanospheres were characterized by XRD, SEM and infrared absorption spectrogram. The results showed that when the temperature was 160°C, ZnO nanospheres with diameter 100-800nm were obtained. When reaction time was 2h, ZnO diameter was about 500nm. When the reaction time was 24h, the diameter of ZnO was about 800nm with wider distribution. The ZnO DSCs were prepared by using ZnO nanopowders with different reaction time as photoanode. The photoelectric conversion efficiency of 24h-ZnO DSCs was the highest. The photoelectric conversion efficiency, open circuit voltage, short-circuit current and fill factor were 2.15%, 0.64V, 6.47 mA•cm-2, 0.52, respectively.
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Elbohy, Hytham, Alex Aboagye, Sudhan Sigdel, Qi Wang, M. Hassan Sayyad, Lifeng Zhang et Qiquan Qiao. « Graphene-embedded carbon nanofibers decorated with Pt nanoneedles for high efficiency dye-sensitized solar cells ». Journal of Materials Chemistry A 3, no 34 (2015) : 17721–27. http://dx.doi.org/10.1039/c5ta04061b.

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Keerthi, Ashok, Ming Hui Chua, Thuang Yuan Timothy Chan, Yeru Liu, Qing Wang et Suresh Valiyaveettil. « Synthesis of multi-donor dyes and influence of molecular design on dye-sensitized solar cells ». RSC Advances 6, no 57 (2016) : 51807–15. http://dx.doi.org/10.1039/c6ra08530j.

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Lüthi, Elias, Paola Andrea Forero Cortés, Alessandro Prescimone, Edwin C. Constable et Catherine E. Housecroft. « Schiff Base Ancillary Ligands in Bis(diimine) Copper(I) Dye-Sensitized Solar Cells ». International Journal of Molecular Sciences 21, no 5 (3 mars 2020) : 1735. http://dx.doi.org/10.3390/ijms21051735.

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Five 6,6′-dimethyl-2,2′-bipyridine ligands bearing N-arylmethaniminyl substituents in the 4- and 4′-positions were prepared by Schiff base condensation in which the aryl group is Ph (1), 4-tolyl (2), 4-tBuC6H4 (3), 4-MeOC6H4 (4), and 4-Me2NC6H4 (5). The homoleptic copper(I) complexes [CuL2][PF6] (L = 1–5) were synthesized and characterized, and the single crystal structure of [Cu(1)2][PF6]·Et2O was determined. By using the “surfaces-as-ligands, surfaces-as-complexes” (SALSAC) approach, the heteroleptic complexes [Cu(6)(Lancillary)]+ in which 6 is the anchoring ligand ((6,6′-dimethyl-[2,2′-bipyridine]-4,4′-diyl)bis(4,1-phenylene))bis(phosphonic acid)) and Lancillary = 1–5 were assembled on FTO-TiO2 electrodes and incorporated as dyes into n-type dye-sensitized solar cells (DSCs). Data from triplicate, fully-masked DSCs for each dye revealed that the best-performing sensitizer is [Cu(6)(1)]+, which exhibits photoconversion efficiencies (η) of up to 1.51% compared to 5.74% for the standard reference dye N719. The introduction of the electron-donating MeO and Me2N groups (Lancillary = 4 and 5) is detrimental, leading to a decrease in the short-circuit current densities and external quantum efficiencies of the solar cells. In addition, a significant loss in open-circuit voltage is observed for DSCs sensitized with [Cu(6)(5)]+, which contributes to low values of η for this dye. Comparisons between performances of DSCs containing [Cu(6)(1)]+ and [Cu(6)(4)]+ with those sensitized by analogous dyes lacking the imine bond indicate that the latter prevents efficient electron transfer across the dye.
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Wang, Sheng-Wei, Chun-Cheng Chou, Fa-Chun Hu, Kuan-Lin Wu, Yun Chi, John N. Clifford, Emilio Palomares et al. « Panchromatic Ru(ii) sensitizers bearing single thiocyanate for high efficiency dye sensitized solar cells ». J. Mater. Chem. A 2, no 41 (2014) : 17618–27. http://dx.doi.org/10.1039/c4ta04483e.

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Cheema, Hammad, Jonathon Watson, Adithya Peddapuram et Jared H. Delcamp. « A 25 mA cm−2 dye-sensitized solar cell based on a near-infrared-absorbing organic dye and application of the device in SSM-DSCs ». Chemical Communications 56, no 11 (2020) : 1741–44. http://dx.doi.org/10.1039/c9cc09372a.

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Bari, Daniele, Andrea Cester, Nicola Wrachien, Laura Ciammaruchi, Thomas M. Brown, Andrea Reale, Aldo Di Carlo et Gaudenzio Meneghesso. « Reliability Study of Ruthenium-Based Dye-Sensitized Solar Cells (DSCs) ». IEEE Journal of Photovoltaics 2, no 1 (janvier 2012) : 27–34. http://dx.doi.org/10.1109/jphotov.2011.2180702.

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Photiphitak, Chanu, Pattana Rakkwamsuk, Pennapa Muthitamongkol, Chaiyuth Sae-Kung et Chanchana Thanachayanont. « Effect of Silver Nanoparticle Size on Efficiency Enhancement of Dye-Sensitized Solar Cells ». International Journal of Photoenergy 2011 (2011) : 1–8. http://dx.doi.org/10.1155/2011/258635.

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Titanium dioxide/silver (TiO2/Ag) composite films were prepared by incorporating Ag in pores of mesoporous TiO2films using a photoreduction method. The Ag nanoparticle sizes were in a range of 4.36–38.56 nm. The TiO2/Ag composite films were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The TiO2and TiO2/Ag composite films were then sensitized by immersing in a 0.3 mM N719 dye solution and fabricated for conventional dye-sensitized solar cells (DSCs).J-Vcharacteristics of the TiO2/Ag DSCs showed that the Ag nanoparticle size of 19.16 nm resulted in the short circuit current density and efficiency of 8.12 mA/cm2and 4.76%.
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Yella, Aswani, Simon Mathew, Sadig Aghazada, Pascal Comte, Michael Grätzel et Mohammad Khaja Nazeeruddin. « Dye-sensitized solar cells using cobalt electrolytes : the influence of porosity and pore size to achieve high-efficiency ». Journal of Materials Chemistry C 5, no 11 (2017) : 2833–43. http://dx.doi.org/10.1039/c6tc05640g.

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Rajamanickam, N., P. Soundarrajan, Venkat K. Vendra, Jacek B. Jasinski, Mahendra K. Sunkara et K. Ramachandran. « Efficiency enhancement of cubic perovskite BaSnO3 nanostructures based dye sensitized solar cells ». Physical Chemistry Chemical Physics 18, no 12 (2016) : 8468–78. http://dx.doi.org/10.1039/c5cp06754e.

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Klein, Y., Nathalie Marinakis, Edwin Constable et Catherine Housecroft. « A Phosphonic Acid Anchoring Analogue of the Sensitizer P1 for p-Type Dye-Sensitized Solar Cells ». Crystals 8, no 10 (12 octobre 2018) : 389. http://dx.doi.org/10.3390/cryst8100389.

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We report the synthesis and characterization of the first example of an organic dye, PP1, for p-type dye-sensitized solar cells (DSCs) bearing a phosphonic acid anchoring group. PP1 is structurally related to the benchmarking dye, P1, which possesses a carboxylic acid anchor. The solution absorption spectra of PP1 and P1 are similar (PP1 has λmax = 478 nm and εmax = 62,800 dm3 mol−1 cm−1), as are the solid-state absorption spectra of the dyes adsorbed on FTO/NiO electrodes. p-Type DSCs with NiO as semiconductor and sensitized with P1 or PP1 perform comparably. For PP1, short-circuit current densities (JSC) and open-circuit voltages (VOC) for five DSCs lie between 1.11 and 1.45 mA cm−2, and 119 and 143 mV, respectively, compared to ranges of 1.55–1.80 mA cm−2 and 117–130 mV for P1. Photoconversion efficiencies with PP1 are in the range 0.054–0.069%, compared to 0.065–0.079% for P1. Electrochemical impedance spectroscopy, open-circuit photovoltage decay and intensity-modulated photocurrent spectroscopy have been used to compare DSCs with P1 and PP1 in detail.
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Jitchati, Rukkiat, Yuranan Thathong et Kittiya Wongkhan. « A Cheap Synthetic Route to Commercial Ruthenium N3 Dye for Sensitizing Solar Cell Applications ». Advanced Materials Research 488-489 (mars 2012) : 1049–54. http://dx.doi.org/10.4028/www.scientific.net/amr.488-489.1049.

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Dye-sensitized Solar Cells (DSCs) Have Received Widespread Attention Owing to their Low Cost, Easy Fabrication, and Relatively High Solar-to-electricity Conversion Efficiency. Based on the Tio2 Electrode, Ruthenium Complex Dye, Liquid Electrolyte, and Pt Counter Electrode, Dscs Have Already Exhibited an Efficiency above 11% and Offer an Appealing Alternative to Conventional Solar Cells. however, until now the Commercial and Well Known Standard Dye Is the Ruthenium Complex, Namely, Cis-bis(isothiocyanato)-bis(2,2'-bipyridyl-4,4'dicarboxylato)ruthenium(II) (N3) which Has Been Widely Used around the Word. in this Article, N3 Standard Dye Was Synthesized and Characterized by Two Synthetic Routes: Grätzel’s Protocol and a One-pot Reaction from Cheap and Easily Prepared Starting Materials.
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Yang, Shuang, Yi Chu Zheng, Yu Hou, Xiao Hua Yang et Hua Gui Yang. « Anatase TiO2 with nanopores for dye-sensitized solar cells ». Phys. Chem. Chem. Phys. 16, no 42 (2014) : 23038–43. http://dx.doi.org/10.1039/c4cp02522a.

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By using different carboxylic acids as solvents, the morphology of the integral TiO2 crystals as well as inner pores can be tuned. Further application as the photoanode of DSCs resulted in an overall energy conversion efficiency of 7.55% due to their low electrical resistivity and improved light harvesting abilities.
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Wanninayake, W. M. N. M. B., K. Premaratne et R. M. G. R. Rajapakse. « Enhancing Performance of SnO2-Based Dye-Sensitized Solar Cells Using ZnO Passivation Layer ». International Journal of Photoenergy 2016 (2016) : 1–8. http://dx.doi.org/10.1155/2016/9087478.

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Although liquid electrolyte based dye-sensitized solar cells (DSCs) have shown higher photovoltaic performance in their class, they still suffer from some practical limitations such as solvent evaporation, leakage, and sealing imperfections. These problems can be circumvented to a certain extent by replacing the liquid electrolytes with quasi-solid-state electrolytes. Even though SnO2shows high election mobility when compared to the semiconductor material commonly used in DSCs, the cell performance of SnO2-based DSCs is considerably low due to high electron recombination. This recombination effect can be reduced through the use of ultrathin coating layer of ZnO on SnO2nanoparticles surface. ZnO-based DSCs also showed lower performance due to its amphoteric nature which help dissolve in slightly acidic dye solution. In this study, the effect of the composite SnO2/ZnO system was investigated. SnO2/ZnO composite DSCs showed 100% and 38% increase of efficiency compared to the pure SnO2-based and ZnO-based devices, respectively, with the gel electrolyte consisting of LiI salt.
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Wei, Junfeng, Zhipeng Shao, Bin Pan, Shuanghong Chen, Linhua Hu et Songyuan Dai. « Toward Current Matching in Tandem Dye-Sensitized Solar Cells ». Materials 13, no 13 (30 juin 2020) : 2936. http://dx.doi.org/10.3390/ma13132936.

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The tandem pn-type dye-sensitized solar cells (pn-DSCs) have received much attention in the field of photovoltaic technologies because of their great potential to overcome the Shockley-Queisser efficiency limitation that applies to single junction photovoltaic devices. However, factors governing the short-circuit current densities (Jsc) of pn-DSC remain unclear. It is typically believed that Jsc of the pn-DSC is limited to the highest one that the two independent photoelectrodes can achieve. In this paper, however, we found that the available Jsc of pn-DSC is always determined by the larger Jsc that the photoanode can achieve but not by the smaller one in the photocathode. Such experimental findings were verified by a simplified series circuit model, which shows that a breakdown will occur on the photocathode when the photocurrent goes considerably beyond its threshold voltage, thus leading to an abrupt increase in Jsc of the circuit. The simulation results also suggest that a higher photoconversion efficiency of the pn-DSCs can be only achieved when an almost equivalent photocurrent is achieved for the two photoelectrodes.
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Nikolaou, Vasilis, Fabian Plass, Aurélien Planchat, Asterios Charisiadis, Georgios Charalambidis, Panagiotis A. Angaridis, Axel Kahnt, Fabrice Odobel et Athanassios G. Coutsolelos. « Effect of the triazole ring in zinc porphyrin-fullerene dyads on the charge transfer processes in NiO-based devices ». Physical Chemistry Chemical Physics 20, no 37 (2018) : 24477–89. http://dx.doi.org/10.1039/c8cp04060e.

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Ito, Seigo, Kaoru Takahashi, Shin-ichi Yusa, Masayuki Saito et Toshiyuki Shigetomi. « Ultradurable Dye-Sensitized Solar Cells under 120°C Using Cross-Linkage Dye and Ionic-Liquid Electrolyte ». International Journal of Photoenergy 2013 (2013) : 1–9. http://dx.doi.org/10.1155/2013/501868.

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A double-bond-edged Ru dye (code name: SG1051) has been studied as a novel sensitizing dye for ultradurable dye-sensitized solar cells (DSCs). The SG1051 Ru dye showed the quick dye-uptake time (1 h for the optimized condition:η=9.2%, using volatile electrolyte) and the strong adsorption strength compared with standard Ru dyes (N719 and Z907), which was checked by successive dipping of dye-adsorbed nanocrystalline-TiO2electrodes into NaOH aqueous. solution and acetonitrile. The resulting DSCs using SG1051 Ru dye and ionic-liquid electrolyte survived the durability test at 120°C for 480 h, which can be the strong interest of the industrial groups.
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Tang, Jie, Takahiro Nakamura, Takashi Ogihara et Jie Xiong. « Synthesis of Titania Nanotubes with Different Diameters for Dye-Sensitized Solar Cells ». Key Engineering Materials 582 (septembre 2013) : 131–34. http://dx.doi.org/10.4028/www.scientific.net/kem.582.131.

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TiO2 nanotubes with different diameters were synthesized by anodic oxidation in fluoride-contained organic solution. It was found out that the diameters of nanotubes became larger with the rise of used times of Ti plate. The TiO2 nanotubes were applied to dye-sensitized solar cells (DSCs). It turned out that the generation efficiencies of DSCs versus the increase of diameter of nanotubes presented a curve with maximal value. The highest generation efficiency was 3.60%.
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Akhtaruzzaman, Md, Ashraful Islam, Mohammad Rezaul Karim, A. K. Mahmud Hasan et Liyuan Han. « Improving the Spectral Response of Black Dye by Cosensitization with a Simple Indoline Based Dye in Dye-Sensitized Solar Cell ». Journal of Chemistry 2013 (2013) : 1–5. http://dx.doi.org/10.1155/2013/910527.

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Indoline dyeD-1was successfully applied as a cosensitizer for improving the spectral response of black dye in dye-sensitized solar cells (DSCs). It was observed thatD-1effectively increases the short-circuit photocurrent by offsetting the competitive light absorption byI/I3-electrolyte in the wavelength region 350–500 nm when adsorbed on the TiO2nanocrystaline films in a mix dye system. The DSCs containing theD-1and black dye achieved a power conversion efficiency of 9.80% with higher short-circuit photocurrent of 19.54 mA/cm2compared to the system of black dye without cosensitization under standard AM 1.5 sunlight.
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LI, X. D., D. W. ZHANG, Z. A. WANG, Z. SUN, S. M. HUANG, X. J. YIN et C. F. LIN. « TiO2 NANOTUBE AS ADDITIVE TO TiO2 FILM FOR IMPROVING PERFORMANCE OF DYE-SENSITIZED SOLAR CELLS ». International Journal of Nanoscience 09, no 04 (août 2010) : 301–5. http://dx.doi.org/10.1142/s0219581x10006843.

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The titanium dioxide nanotubes (TiNTs) were directly prepared from commercial P25 TiO2 powder via alkali hydrothermal transformation. The fabricated nanotubes had an average outer diameter of 8–10 nm and the inner diameter of 4–6 nm with several hundred nanometers in length. The prepared nanotubes were added into TiO2 nanoporous electrodes for the fabrication of dye-sensitized solar cells (DSCs). The photoelectrochemical characteristics and dye-adsorption properties were investigated by varying the proportion of the nanotubes incorporated into TiO2 working electrodes. The electron transport resistance, electron life time, and dye adsorption properties were evaluated in terms of electrochemical impedance spectra and photovoltaic characteristics of the solar cells. Compared to DSCs based on TiO2 nanoparticles, the fill factor, open-voltage, and photocurrent based on TiNT /P25 hybrid increased significantly. High conversion efficiency of light-to-electricity of 7.41% under illumination of simulated AM 1.5 sunlight (100 mW/cm2) was achieved for DSCs using optimized proportions of TiO2 nanotubes incorporated into TiO2 electrodes. The studies provided a promising method for the development of high efficiency and low cost DSCs.
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Yadav, Surendra K., Sandheep Ravishankar, Sara Pescetelli, Antonio Agresti, Francisco Fabregat-Santiago et Aldo Di Carlo. « Stability of dye-sensitized solar cells under extended thermal stress ». Physical Chemistry Chemical Physics 19, no 33 (2017) : 22546–54. http://dx.doi.org/10.1039/c7cp04598k.

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The graphical abstract shows 5 equivalent DSCs in masterplate configuration and their performance stability under thermal stress @85 °C during 4700 h. Ru505/L12 cells resulted the most stable dye/electrolite pair by retain more than 95% of initial efficiency.
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35

Lyu, Siliu, Yoann Farré, Laurent Ducasse, Yann Pellegrin, Thierry Toupance, Céline Olivier et Fabrice Odobel. « Push–pull ruthenium diacetylide complexes : new dyes for p-type dye-sensitized solar cells ». RSC Advances 6, no 24 (2016) : 19928–36. http://dx.doi.org/10.1039/c5ra25899e.

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A couple of novel donor–π–acceptor dyes based on organometallic ruthenium diacetylide complexes (SL1 and SL2) have been designed and synthesized for use in NiO-based p-type dye-sensitized solar cells (p-DSCs).
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36

Hsieh, Chien-Te, Bing-Hao Yang et Wei-Yu Chen. « Dye-Sensitized Solar Cells Using Mesocarbon Microbead-Based Counter Electrodes ». International Journal of Photoenergy 2012 (2012) : 1–6. http://dx.doi.org/10.1155/2012/709581.

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The dye-sensitized solar cells (DSCs) equipped with mesocarbon microbead (MCMB)-based counter electrodes were explored to examine their cell performance. Three types of nanosized additives including platinum, carbon nanotubes (CNTs), and carbon black (CB) are well dispersed and coated over microscaled MCMB powders. In the design of the counter electrodes, the MCMB graphite offers an excellent medium that allows charge transfer from the ITO substrate to the dye molecule. The active materials such as Pt, CNT, and nanosize CB act as an active site provider for the redox reaction. Among these counter electrodes, the DSCs fabricated with CB electrode exhibit the highest power conversion efficiency. This improved efficiency can be attributed to the fact that the CB nanoparticles not only offer a large number of catalytic sites but also low charge transfer resistance, facilitating a rapid reaction kinetics. Such design of carbon counter electrode has been confirmed to be a promising candidate for replacing Pt electrodes.
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37

Matsunaga, Yuki, et Takahide Oya. « Development of Paint-Type Dye-Sensitized Solar Cell Using Carbon Nanotube Paint ». Journal of Nanotechnology 2019 (1 avril 2019) : 1–6. http://dx.doi.org/10.1155/2019/5081034.

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This paper proposes paint-type dye-sensitized solar cells (DSCs). DSCs, one type of solar cell, generally consist of a dye-attached semiconducting electrode, a metallic electrode, and an electrolyte. The DSC generates power through the excitation of the electrons in the dyes and the oxidation-reduction reaction between the dyes and the electrolyte. For our paint-type DSC, we made two electrodes by painting two types of paint on substrates. We used carbon nanotubes (CNTs) as the paint material because they have both semiconducting and metallic properties. This enabled us to prepare semiconducting and metallic electrodes easily by simply painting with the CNT paint. As a result of testing, we determined that our DSCs were capable of power generation. Our paint-type DSCs have the potential to provide power as a unique and useful device for daily life in the near future.
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Sheibani, Esmaeil, Lei Zhang, Peng Liu, Bo Xu, Edgar Mijangos, Gerrit Boschloo, Anders Hagfeldt, Leif Hammarström, Lars Kloo et Haining Tian. « A study of oligothiophene–acceptor dyes in p-type dye-sensitized solar cells ». RSC Advances 6, no 22 (2016) : 18165–77. http://dx.doi.org/10.1039/c5ra26310g.

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Two new dyes, E1 and E2, equipped with triphenylamine as the electron donor, oligothiophene as the linker and different electron acceptor groups, have been designed and synthesized as photosensitizers for p-type dye-sensitized solar cells (p-DSCs).
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Karim, Mohammad Rezaul, Ashraful Islam, Surya Prakash Singh et Liyuan Han. « Quasi Solid-State Dye-Sensitized Solar Cell Incorporating Highly Conducting Polythiophene-Coated Carbon Nanotube Composites in Ionic Liquid ». Advances in OptoElectronics 2011 (14 août 2011) : 1–7. http://dx.doi.org/10.1155/2011/357974.

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Conducting polythiophene (PTh) composites with the host filler multiwalled carbon nanotube (MWNT) have been used, for the first time, in the dye-sensitized solar cells (DSCs). A quasi solid-state DSCs with the hybrid MWNT-PTh composites, an ionic liquid of 1-methyl-3-propyl imidazolium iodide (PMII), was placed between the dye-sensitized porous TiO2 and the Pt counter electrode without adding iodine and higher cell efficiency (4.76%) was achieved, as compared to that containing bare PMII (0.29%). The MWNT-PTh nanoparticles are exploited as the extended electron transfer materials and serve simultaneously as catalyst for the electrochemical reduction of .
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40

Al-Attafi, Kadhim, Majed H. Dwech, Hamza A. Mezher, Andrew Nattestad et Jung Ho Kim. « A Comparative Study of Organic Dye-Sensitized Solar Cells Based on Anatase TiO2 and Amorphous Free Mixed Phase’s Anatase/Rutile P25 TiO2 Photoanodes ». Coatings 13, no 1 (9 janvier 2023) : 121. http://dx.doi.org/10.3390/coatings13010121.

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Dye-sensitized solar cells (DSCs) remain an interesting photovoltaic concept, although recent times have seen their envisioned broad-scale applications being replaced with more niche ones. Nevertheless, as a key component of DSCs, titanium(IV) oxide (TiO2) must be produced in a large volume, low cost, and highly reproducible manner. Degussa P25 remains a benchmark TiO2 product, addressing the first two of the above points very well. Post-treatment processes that may also be carried out on a large scale give some hope to addressing the reproducibility issue. This paper builds on our previous works wherein mixed-phase P25 (anatase + rutile + amorphous TiO2) was converted into an amorphous free form by selectively dissolving and recrystallizing the amorphous component. Here we investigated the performance of metal-free organic dye (D149)-based DSCs with three different TiO2 films: (1) as-received P25 (TiO2-P25), (2) amorphous-free P25 (TiO2-HP25), and (3) anatase nanoparticles obtained from Dyesol (TiO2-DSL). DSCs based on TiO2-HP25 showed comparable performance (5.8 ± 0.2% PCE) to DSCs based on the TiO2-DSL (5.8 ± 0.4% PCE) and substantially higher than for devices based on the as-obtained P25 nanoparticles (3.9 ± 0.4% PCE). The enhancement resulting from the post-processing of P25 derives from simultaneous increases in photo-current density (Jsc), open-circuit voltage (VOC), and the fill factor (FF), due to enhancing the dye-loading capability and the charge-transport efficiency (suppressing the electron recombination) as a result of the removal of amorphous barriers and associated defect states. This is in line with enhancing DSC performance based on the organometallic N719 dye we reported previously. However, the photoanode material based on abundant P25 TiO2 sensitized with high-extinction-coefficient organic D149 dye can be adopted as a cost-effective DSC as an alternative to relatively high-cost DSCs based on the commercial anatase TiO2 sensitized with organometallic N719 dye.
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Xu, Binghua, Zeng Chen et Shengjun Li. « Aluminum-Doped SnO2Hollow Microspheres as Photoanode Materials for Dye-Sensitized Solar Cells ». International Journal of Photoenergy 2016 (2016) : 1–5. http://dx.doi.org/10.1155/2016/3129896.

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Al doped SnO2microspheres were prepared through hydrothermal method. As-prepared SnO2microspheres were applied as photoanode materials in dye-sensitized solar cells (DSCs). The properties of the assembled DSCs were significantly improved, especially the open-circuit voltage. The reason for the enhancement was explored through the investigation of dark current curves and electrochemistry impedance spectra. These results showed that the Al doping significantly increased the reaction resistance of recombination reactions and restrained the dark current. The efficient lifetime of photoexcited electrons was also obviously lengthened.
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42

Joshi, P. « White Painting Pigment as a Low-Cost Light Scattering Material for Bilayer Photoelectrodes of Dye-Sensitized Solar Cells ». Journal of Nepal Physical Society 5, no 1 (26 décembre 2019) : 1–5. http://dx.doi.org/10.3126/jnphyssoc.v5i1.26874.

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White pigment (DuPont R902+) has been used as a light scattering material in the preparation of bilayerphotoelectrodes of dye-sensitized solar cells (DSCs). The X-ray diffraction (XRD) pattern of the white pigment revealed that the material consists of rutile phase of titanium dioxide. The light scattering layer prepared from the white pigment was coated onto the main-layer of the photo electrodes of DSCs. The solar cells with and without light scattering layer were tested in the simulated light of 100 mW/cm2. The DSCs with the light scattering layer generated more current density than the DSCs without scattering layer and the overall light to electric power conversion efficiency of DSCs with the light scattering layer was ~4.00 % compared with 3.25 % efficiency of the DSCs without the scattering layer.
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43

Zhang, Jing, Hong Lin, Jian Bao Li, Xin Li et Xiao Chong Zhao. « DSCs Modules Fabricated by Screen Printing ». Key Engineering Materials 434-435 (mars 2010) : 638–41. http://dx.doi.org/10.4028/www.scientific.net/kem.434-435.638.

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Screen printing has been considered to be the simplest and quickest way to fabricate dye- sensitized solar cells (DSCs) modules for an assembly line. 20cm×10cm DSCs modules with W-type series connection and parallel connection were fabricated. The whole fabricating process was all operated by screen-printing except for the injection of electrolyte. The optimized TiO2 electrode thickness, sealant thickness and platinum counter electrode thickness were investigated. The modules showed a reliable performance.
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44

Tian, Zhi Hua, Jian Xi Yao et Mi Na Guli. « Dye-Sensitized Solar Cells Based on Three-Dimensional Web-Like Structure Anodes ». Advanced Materials Research 629 (décembre 2012) : 332–38. http://dx.doi.org/10.4028/www.scientific.net/amr.629.332.

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TiO2 films with three-dimensional web-like structure have been prepared by the photo polymerization-induced phase separation method (PIPS). Scanning electron microscopy and X-ray diffraction were used to characterize the as-prepared TiO2 films. The results showed that the film texture could be tuned by changing the composition of the precursor solution. The TiO2 film with web-like structure exhibited high photocatalytic activity for the degradation of methylene blue (MB) dye. The as-prepared films were used as the photo-anodes in dye-sensitized solar cells (DSCs). The photoelectric conversion efficiency of the DSCs was significantly enhanced by changing the POGTA/TTB in the precursor solution. Because of the increased dye adsorption active sites and efficient electron transport in the TiO2 anode film, a photoelectric conversion efficiency of 3.015% was obtained.
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45

Gao, Jiajia, Muthuraaman Bhagavathi Achari et Lars Kloo. « Long-term stability for cobalt-based dye-sensitized solar cells obtained by electrolyte optimization ». Chem. Commun. 50, no 47 (2014) : 6249–51. http://dx.doi.org/10.1039/c4cc00698d.

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A significant improvement in the long-term stability for cobalt-based dye-sensitized solar cells (DSCs) under light-soaking conditions has been achieved by optimization of the composition of tris(2,2′-bipyridine) Co(ii)/Co(iii) electrolytes.
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46

Zulkifili, Arini Nuran Binti, Terauchi Kento, Matsutake Daiki et Akira Fujiki. « The Basic Research on the Dye-Sensitized Solar Cells (DSSC) ». Journal of Clean Energy Technologies 3, no 5 (2015) : 382–87. http://dx.doi.org/10.7763/jocet.2015.v3.228.

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47

Bandara, T. M. W. J., S. L. N. Senavirathna, H. M. N. Wickramasinghe, K. Vignarooban, L. A. De Silva, M. A. K. L. Dissanayake, I. Albinsson et B. E. Mellander. « Binary counter ion effects and dielectric behavior of iodide ion conducting gel-polymer electrolytes for high-efficiency quasi-solid-state solar cells ». Physical Chemistry Chemical Physics 22, no 22 (2020) : 12532–43. http://dx.doi.org/10.1039/d0cp01547d.

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A series of highly efficient quasi-solid-state dye-sensitized solar cells (DSCs) is prepared by harnessing the binary cation effect and positive effects of the selected performance enhancers of gel-polymer electrolytes.
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48

Patrocinio, A. O. T., A. S. El-Bachá, E. B. Paniago, R. M. Paniago et N. Y. Murakami Iha. « Influence of the Sol-Gel pH Process and Compact Film on the Efficiency of -Based Dye-Sensitized Solar Cells ». International Journal of Photoenergy 2012 (2012) : 1–7. http://dx.doi.org/10.1155/2012/638571.

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The influence of pH during hydrolysis of titanium(IV) isopropoxide on the morphological and electronic properties of TiO2nanoparticles prepared by the sol-gel method is investigated and correlated to the photoelectrochemical parameters of dye-sensitized solar cells (DSCs) based on TiO2films. Nanoparticles prepared under acid pH exhibit smaller particle size and higher surface area, which result in higher dye loadings and better short-circuit current densities than DSCs based on alkaline TiO2-processed films. On the other hand, the product of charge collection and separation quantum yields in films with TiO2obtained by alkaline hydrolysis is c.a. 27% higher than for the acid TiO2films. The combination of acid and alkaline TiO2nanoparticles as mesoporous layer in DSCs results in a synergic effect with overall efficiencies up to 6.3%, which is better than the results found for devices employing one of the nanoparticles separately. These distinct nanoparticles can be also combined by using the layer-by-layer technique (LbL) to prepare compact TiO2films applied before the mesoporous layer. DSCs employing photoanodes with 30 TiO2bilayers have shown efficiencies up to 12% higher than the nontreated photoanode ones. These results can be conveniently used to develop optimized synthetic procedures of TiO2nanoparticles for several dye-sensitized solar cell applications.
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Chen, Ruei-Tang, et Chien-Feng Liao. « Evaluation and Optimization to Recycle Used TiO2Photoelectrode for Dye-Sensitized Solar Cells ». International Journal of Photoenergy 2014 (2014) : 1–7. http://dx.doi.org/10.1155/2014/650945.

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This study proposes a method for recycling and activating the titanium oxide (TiO2)/fluorine-doped tin oxide (FTO) photoanode in dye-sensitized solar cells (DSCs) by repeated dye adsorption and desorption processes using various desorption agents. This simple and convenient method could be utilized to activate TiO2photoelectrodes for DSCs after the long-term operation. The devices are immersed in acidic, alkaline, and neutral media of various concentrations for desorption and then are soaked in the N719 solution again. The optimal device had an overall power conversion efficiency (AM 1.5 G, 100 mW/cm2) with 5 × 10−3 M NaOH solution as a desorption agent being 6.44% better than that of devices that had not undergone recycling and activation.
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Li, Yang, Junting Wang, Yi Yuan, Min Zhang, Xiandui Dong et Peng Wang. « Correlating excited state and charge carrier dynamics with photovoltaic parameters of perylene dye sensitized solar cells : influences of an alkylated carbazole ancillary electron-donor ». Physical Chemistry Chemical Physics 19, no 3 (2017) : 2549–56. http://dx.doi.org/10.1039/c6cp07916d.

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Two perylene dyes characteristic of electron-donors phenanthrocarbazole (PC) and carbazyl functionalized PC are selected to study the complicated dynamics of excited states and charge carriers, which underlie the photovoltaic parameters of dye-sensitized solar cells (DSCs).
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