A flexible carbon counter electrode for dye-sensitized solar cells

被引：307
|
作者：
Chen, Jikun [1 ]
Li, Kexin [1 ]
Luo, Yanhong [1 ]
Guo, Xiaozhi [1 ]
Li, Dongmei [1 ]
Deng, Minghui [1 ]
Huang, Shuqing [1 ]
Meng, Qingbo [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
来源：
CARBON | 2009年 / 47卷 / 11期
基金：
中国国家自然科学基金;
关键词：
LOW-COST; EFFICIENCY; GRAPHITE; TRANSPARENT; CONVERSION; FILMS;
D O I：
10.1016/j.carbon.2009.05.028
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：
A pure carbon counter electrode (CE) for dye-sensitized solar cells (DSCs), has been fabricated using an industrial flexible graphite sheet as substrate and activated carbon as the catalytic material. The CE shows very low series resistance (Rs) and charge-transfer resistance (Rct) by combining the high conductivity of the flexible graphite with the high catalytic property of activated carbon. The Rs and Rct for the CE are respectively only a quarter and two-thirds of those for a platinized fluorine-doped tin oxide glass (Pt/FTO). DSCs with cell areas of 0.15 and 1 cm(2) fabricated with this CE show higher solar-to-electricity conversion efficiencies. The respective values are 6.46% and 5%, compared with 6.37% and 2.91% for the Pt/FTO based devices. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2704 / 2708
页数：5
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