Polymethylmethacrylate (PMMA) based quasi-solid electrolyte with binary iodide salt for efficiency enhancement in TiO2 based dye sensitized solar cells

被引：44
作者：
Dissanayake, M. A. K. L. [1 ,2 ,3 ,5 ]
Jayathissa, R. [2 ,3 ]
Seneviratne, V. A. [2 ]
Thotawatthage, C. A. [1 ]
Senadeera, G. K. R. [1 ,4 ]
Mellander, B. -E. [5 ]
机构：
[1] Inst Fundamental Studies, Kandy, Sri Lanka
[2] Univ Peradeniya, Dept Phys, Peradeniya, Sri Lanka
[3] Univ Peradeniya, Postgrad Inst Sci, Peradeniya, Sri Lanka
[4] Open Univ Sri Lanka, Dept Phys, Nugegoda, Sri Lanka
[5] Chalmers Univ Technol, Dept Appl Phys, S-41296 Gothenburg, Sweden
来源：
SOLID STATE IONICS | 2014年 / 265卷
关键词：
PMMA based electrolyte; Dye-sensitized solar cells; Efficiency enhancement; Mixed cation effect; POLYMER ELECTROLYTES; PHOTOVOLTAIC PERFORMANCE; CHARGE-INJECTION; LITHIUM; CONVERSION; TRANSPORT; PAN;
D O I：
10.1016/j.ssi.2014.07.019
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Enhancement of efficiency by using iodide mixture (Pr4NI and I(1), instead of a single iodide salt, in N719 dye-sensitized solar cells with a polymethylmethacrylate (PMMA) based gel electrolyte is investigated. The salt ratio is varied to optimize efficiency. With 100 wt.% KI and 100 wt.% (Pr4NI) efficiencies under AM 1.5 illumination are 3.39% and 3.21%, while 22.2:77.8 wt.% ratio KI:Pr4NI shows the highest efficiency of 3.99%. This is an efficiency enhancement of 18%. Variation of efficiency with salt composition appears to correspond to the change in short circuit photocurrent density (J(sc)) and the iodide ion conductivity. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：85 / 91
页数：7
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