Performance variation of carbon counter electrode based dye-sensitized solar cell

被引：149

作者：

Lee, Won Jae ^{[1
]}

Ramasamy, Easwaramoorthi ^{[1
,2
]}

Lee, Dong Yoon ^{[1
]}

Song, Jae Sung ^{[1
]}

机构：

[1] Korea Electrotechnol Res Inst, Adv Mat & Applicat Res Div, Chang Won 641120, South Korea

[2] Univ Sci & Technol, Taejon 305333, South Korea

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2008年 / 92卷 / 07期

关键词：

dye solar cell; counter electrode; carbon; efficiency; stability;

D O I：

10.1016/j.solmat.2007.12.012

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：

The effect of dark and room temperature aging on the performance of carbon counter electrode based dye-sensitized solar cell (DSSC) has been investigated. Using nano size carbon as a counter electrode material, DSSC with power conversion efficiency of 7.56% was fabricated. Storing the devices in the dark at room temperature enhanced both the open-circuit voltage (V-OC) and fill-factor (FF) but reduced the short-circuit current density (J(sc)). After 60 days of aging, carbon counter electrode DSSC retains 84% of its initial day efficiency (eta). The variation in the current-voltage parameters was explained on the basis of electrochemical impedance spectroscopic (EIS) analysis. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：814 / 818

页数：5

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