Effect of the chromophores structures on the performance of solid-state dye sensitized solar cells
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Other documents of the author: Tian, Haining; Soto, Andrea; Xu, Bo; Sun, Licheng; Hagfeldt, Anders; Fabregat-Santiago, Francisco; Mora-Sero, Ivan; Kang, Yong Soo; Bisquert, Juan; Barea, Eva M
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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Title
Effect of the chromophores structures on the performance of solid-state dye sensitized solar cellsAuthor (s)
Date
2014Publisher
World Scientific PublishingISSN
1793-2920; 1793-7094Bibliographic citation
TIAN, Haining, et al. Effect of the chromophores structures on the performance of solid-state dye sensitized solar cells. Nano, 2014, vol. 9, no 5, p. 1440005Type
info:eu-repo/semantics/articlePublisher version
http://www.worldscientific.com/doi/abs/10.1142/S1793292014400050Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
The effect of metal-free chromophores on dye-sensitized solar cell performance is investigated. Solid state dye-sensitized solar cells (ssDSCs) using different molecular sensitizers based on triphenylamine (TPA) with ... [+]
The effect of metal-free chromophores on dye-sensitized solar cell performance is investigated. Solid state dye-sensitized solar cells (ssDSCs) using different molecular sensitizers based on triphenylamine (TPA) with thiophene linkers and different alkyl chain in the donor unit have been characterized using impedance spectroscopy (IS). We show that different molecular structures play a fundamental role on solar cell performance, by the effect produced on TiO2 conduction band position and in the recombination rate. Dye structure and its electronic properties are the main factors that control the recombination, the capacitance and the efficiency of the cells. A clear trend between the performance of the cell and the optimization level of the blocking effect of the dye structure has been identified in the solid state solar cells with Spiro-OMeTAD hole conductor. [-]
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Nano, 2014, vol. 9, no 5Rights
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