A novel high-performance counter electrode for dye-sensitized solar cells

被引：77

作者：

Wang, GQ ^{[1
]}

Lin, RF ^{[1
]}

Lin, Y ^{[1
]}

Li, XP ^{[1
]}

Zhou, XW ^{[1
]}

Xiao, XR ^{[1
]}

机构：

[1] Chinese Acad Sci, Ctr Mol Sci, Key Lab Photochem, Beijing 10008, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2005年 / 50卷 / 28期

基金：

中国国家自然科学基金;

关键词：

Pt/NiP-plated glass; counter electrode; photovoltaic performance; dye-sensitized solar cells;

D O I：

10.1016/j.electacta.2005.03.036

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A novel Pt counter electrode for dye-sensitized solar cells (DSC) was prepared by thermal decomposition of H2PtCl6 on NiP-plated glass substrate. The charge-transfer kinetic properties of the platinized NiP-plated glass electrode (Pt/NiP electrode) for triiodide reduction were studied by electrochemical impedance spectroscopy. Pt/NiP electrode has the advantage over the platinized FTO conducting glass electrode (Pt/FTO electrode) in increasing the light reflectance and reducing the sheet resistance leading to improve the light harvest efficiency and the fill factor of the dye-sensitized solar cells effectively. The photon-to-current efficiency and the overall conversion efficiency of DSC using PUMP counter electrode is increased by 20% and 33%, respectively, compared to that of using Pt/FTO counter electrode. Examination of the anodic dissolution and the long-term test on the variation of charge-transfer resistance indicates the good stability of the Pt/NiP electrode in the electrolyte containing iodide/triiodide. (C) 2005 Elsevier Ltd. All rights reserved.

引用

页码：5546 / 5552

页数：7

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