Polymer-metal complex as gel electrolyte for quasi-solid-state dye-sensitized solar cells

被引：13

作者：

Xiang, Wanchun ^{[1
,2
,3
]}

Fang, Yanyan ^{[1
,2
]}

Lin, Yuan ^{[1
]}

Fang, Shibi ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2011年 / 56卷 / 03期

关键词：

Polymer-metal complex; Quasi-solid state electrolyte; Dye-sensitized solar cell;

D O I：

10.1016/j.electacta.2010.10.061

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A kind of polymer-metal complex gel electrolyte is successfully prepared and is used in dye-sensitized solar cells. Raman and X-ray photoelectron spectroscopy confirm the structure of this complex and is found that the metal ion reacts with nitrogen in the polymer. This novel electrolyte shows apparent diffusion coefficient of iodide of 8.37 x 10(-7) cm(2) s(-1) and the energy conversion efficiency of 6.10% when the amount of Znl(2) is 0.04 M. By studying the dissociation active energy of the inorganic salt in electrolytes, we find that the metal salts can dissociate more easily after reacting with polymer and as a result can provide extra free iodide ion. The cell maintains ca. 93% of its initial efficiency after 20 d without further sealing, which shows good long-time stability. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.

引用

页码：1605 / 1610

页数：6

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