A Silicon-based Imidazolium Ionic Liquid Iodide Source for Dye-Sensitized Solar Cells

Room temperature molten salt 1-methyl-3-（trimethylsilyl）methyl-imidazolium iodide （MSII） was used for io-dide sources in dye-sensitized solar cells with an organic sensitizer 2-cyano-3-[5-[4-[3-[4-（4-（N,N-bis（4-methoxy-phenyl）amino）phenyl）phenyl]-2,5-di-n-butyl-pyrrolo[3,4-c]pyrrole-1,4-dione]phenyl...

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Published in:Chinese journal of chemistry 2013-03, Vol.31 (3), p.388-392
Main Authors: Wu, Wenjun, Zhang, Xiaoyu, Hu, Yue, Jin, Bin, Hua, Jianli
Format: Article
Language:English
Subjects:
dye-sensitized solar cells
iodide sources
Photovoltaic cells
silicon-based ionic liquid
Spectrum analysis
染料敏化太阳能电池
物源
甲硅烷基
电化学阻抗谱
碘化
离子液体
移动设备
苯并咪唑
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cited_by cdi_FETCH-LOGICAL-c3819-f9a53a9a27c1e75b4a103cb62825d7eb88044834ec90821889d06d4b6deb67403
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container_start_page 388
container_title Chinese journal of chemistry
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creator Wu, Wenjun
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Hu, Yue
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Hua, Jianli
description Room temperature molten salt 1-methyl-3-（trimethylsilyl）methyl-imidazolium iodide （MSII） was used for io-dide sources in dye-sensitized solar cells with an organic sensitizer 2-cyano-3-[5-[4-[3-[4-（4-（N,N-bis（4-methoxy-phenyl）amino）phenyl）phenyl]-2,5-di-n-butyl-pyrrolo[3,4-c]pyrrole-1,4-dione]phenyl] furan-2-yl] acrylic acid （DPP-I） as light harvester. With an optimized electrolyte （MSII ： I2 ： BI ： GuNCS=24 ： 2 ： 2 ： 0.4, BI and GuCNS are short for benzimidazole and guanidine thiocyanate, respectively）, photovoltaic parameters （Jsc, Voc, and ff） of device are 8.97 mA·cm^-2, 600 mV and 0.61, respectively, yielding a maximum overall photo-to-energy con-version efficiency （17） of 3.23%. And then the charge-transfer mechanism of devices was deeply analyzed with elec- trochemical impedance spectroscopy （EIS） in the dark.
doi_str_mv 10.1002/cjoc.201201059
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subjects dye-sensitized solar cells
iodide sources
Photovoltaic cells
silicon-based ionic liquid
Spectrum analysis
染料敏化太阳能电池
物源
甲硅烷基
电化学阻抗谱
碘化
离子液体
移动设备
苯并咪唑
title A Silicon-based Imidazolium Ionic Liquid Iodide Source for Dye-Sensitized Solar Cells
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