Application Research of Polypyrrole/Graphite Composite Counter Electrode for Dye-Sensitized Solar Cells

被引：0

作者：

Feng Xiaoming ^{[1
]}

Huang Xianwei ^{[1
]}

Tan Zhuo ^{[1
]}

Zhao Bin ^{[1
,2
]}

Tan Songting ^{[1
,2
]}

机构：

[1] Minist Educ, Key Lab Environm Friendly Chem & Applicat, Coll Chem, Xiangtan 411105, Peoples R China

[2] Xiangtan Univ, Coll Hunan Prov, Key Lab Adv Funct Polymer Mat, Xiangtan 411105, Peoples R China

来源：

ACTA CHIMICA SINICA | 2011年 / 69卷 / 06期

关键词：

dye sensitized solar cells; counter electrode; polypyrrole; graphite; HIGH-PERFORMANCE; LOW-COST; CARBON; PLATINUM; EFFICIENCY; REDUCTION; IMPEDANCE;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Polypyrrole (PPy) nanoparticles were synthesized and mixed with graphite to fabricate PPy/graphite composite counter electrode for dye sensitized solar cells (DSSCs). The SEM investigation showed that PPy with porous and particle diameter in 80 similar to 100 nm is covered on the ITO glass. Cyclic voltammetry (CV) analysis of the PPy electrode exhibited favorable catalytic activity for I-2/I- redox reaction. The charge-transfer resistance (R-ct) of PPy electrode decreased after the addition of graphite. Overall energy conversion efficiency of the DSSCs based on the ruthenium dye (N719) with PPy/graphite composite counter electrode reached 6.01% under simulated AM 1.5 irradiation (100 mW/cm(2)), which was 92% of the energy conversion efficiency of the DSSCs with Pt electrode.

引用

页码：653 / 658

页数：6

共 30 条

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