Ionic liquid electrolyte based on S-propyltetrahydrothiophenium iodide for dye-sensitized solar cells

被引：22
|
作者：
Guo, Lei [1 ]
Pan, Xu [1 ]
Zhang, Changneng [1 ]
Liu, Weiqing [1 ]
Wang, Meng [1 ]
Fang, Xiaqin [1 ]
Dai, Songyuan [1 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Key Lab Novel Thin Film Solar Cells, Hefei 230031, Anhui, Peoples R China
来源：
SOLAR ENERGY | 2010年 / 84卷 / 03期
基金：
国家高技术研究发展计划(863计划);
关键词：
Dye-sensitized solar cells; Ionic liquid; Electrolyte; Sulfonium; CROSS-LINKED GELATORS; 1-METHYL-3-PROPYLIMIDAZOLIUM IODIDE; CONVERSION EFFICIENCY; POLYMER ELECTROLYTES; SILICA NANOPARTICLES; CHARGE-TRANSPORT; PERFORMANCE; MOLTEN; POLYIODIDES; RECOMBINATION;
D O I：
10.1016/j.solener.2009.11.008
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A new ionic liquid S-propyltetrahydrothiophenium iodide (T3I) was developed as the solvent and iodide ion source in electrolyte for dye-sensitized solar cells. The electrochemical behavior of the I-3(-)/I- redox couple and effect of additives in this ionic liquid system was tested and the results showed that this ionic liquid electrolyte revealed good conducting abilities and potential application for solar devices. The effects of LiI and dark-current inhibitors were investigated. The dye-sensitized solar cell with the electrolyte (0.1 mol L-1 LiI, 0.35 mol L-1 12, 0.5 mol L-1 NMBI in pure T3I) gave short-circuit photocurrent density (J(sc)) of 11.22 mA cm(2), open-circuit voltage (V-oc) of 0.61 V, and fill factor (FE) of 0.51, corresponding to the photoelectric conversion efficiency (eta) of 3.51% under one Sun (AM 1.5). (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：373 / 378
页数：6
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