Ferrocene-derivatized ordered mesoporous carbon as high performance counter electrodes for dye-sensitized solar cells

被引：98

作者：

Ramasamy, Easwaramoorthi ^{[1
]}

Lee, Jinwoo ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Sch Environm Sci & Engn, Pohang 790784, South Korea

来源：

CARBON | 2010年 / 48卷 / 13期

关键词：

LOW-COST; TRANSPARENT; EFFICIENCY; NANOTUBES; FILMS; FOAMS;

D O I：

10.1016/j.carbon.2010.06.033

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：

Ferrocene-derivatized large pore size mesocellular carbon foam (Fe-MCF-C) has been synthesized using divinylbenzene as a carbon source and mesocellular silica foam as a hard template. Cyclic voltammetric studies demonstrate a relatively faster electron transfer rate of Fe-MCF-C in K3Fe(CN)(6)/1 M KNO3 solution, as compared with pristine mesocellular carbon foam (MCF-C). Such an enhanced electrochemical property is beneficial for improving the cathodic reduction of tri-iodide in dye-sensitized solar cells (DSSCs). Under 1 sun illumination (100 mW cm(-2), AM 1.5G), Fe-MCF-C counter electrode based DSSC shows an energy conversion efficiency of 7.89%, which is 12% higher than that of solar cell based on pristine MCF-C counter electrode. (C) 2010 Elsevier Ltd. All rights reserved.

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页码：3715 / 3720

页数：6

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