Ionic liquid electrolytes based on 1-vinyl-3-alkylimidazolium iodides for dye-sensitized solar cells

被引：50

作者：

Wang, Yuqiao ^{[1
,2
]}

Sun, Yueming ^{[1
,2
]}

Song, Bo ^{[1
]}

Xi, Junting ^{[1
]}

机构：

[1] SE Univ, Sch Chem & Chem Engn, Nanjing 211189, Peoples R China

[2] SE Univ, Ordered Matter Sci Res Ctr, Nanjing 211189, Peoples R China

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2008年 / 92卷 / 06期

关键词：

dye-sensitized solar cell; ionic liquids; 1-vinyl-3-alkylimidazolium iodide; electrolyte;

D O I：

10.1016/j.solmat.2008.01.017

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：

Five new ionic liquids of 1-vinyl-3-alkylimidazolium iodide were synthesized to develop novel electrolytes for dye-sensitized solar cells. The effects of photovoltaic characteristics of the cell and the ionic liquid features such as viscosity and ionic conductivity were described. The 1-vinyl-3-alkylimidazolium cation volume was calculated by quantum chemistry method. The linear dependence of photon-to-current conversion efficiency on the non-solvated cation volume was revealed. After lithium iodide was added to 1-vinyl-3-alkylimidazolium salts as electrolytes, except the photovoltage, the photocurrent, fill factor and photon-to-current efficiency were improved correspondingly. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：660 / 666

页数：7

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