CoS Supersedes Pt as Efficient Electrocatalyst for Triiodide Reduction in Dye-Sensitized Solar Cells

被引：829

作者：

Wang, Mingkui ^{[1
]}

Anghel, Alina M. ^{[2
]}

Marsan, Benoit ^{[2
]}

Ha, Ngoc-Le Cevey ^{[1
]}

Pootrakulchote, Nuttapol ^{[1
]}

Zakeeruddin, Shaik M. ^{[1
]}

Graetzel, Michael ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

[2] Univ Quebec, Dept Chim, Montreal, PQ H3C 3P8, Canada

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 44期

基金：

加拿大自然科学与工程研究理事会; 瑞士国家科学基金会;

关键词：

COUNTER ELECTRODE; PERFORMANCE; POLY(3,4-ETHYLENEDIOXYTHIOPHENE); TRANSPORT;

D O I：

10.1021/ja905970y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report an efficient nonplatinized flexible counter electrode for dye-sensitized solar cells. In combination with a solvent-free ionic Liquid electrolyte, we have demonstrated a similar to 6.5% cell with an amphiphilic ruthenium polypyridyl photosensitizer showing excellent stability measured under prolonged light soaking at 60 degrees C. Compared to the Pt deposited PEN film, the CoS deposited PEN film shows higher electrocatalytic activity for the reduction of triiodide. This is expected to have an important practical consequence on the production of flexible low-cost and lightweight thin film DSC devices based on the plastic matrix.

引用

页码：15976 / +

页数：3

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