Cu2ZnSnS4/graphene composites as low-cost counter electrode materials for dye-sensitized solar cells

被引：34

作者：

Bai, L. ^{[1
]}

Ding, J. N. ^{[1
,2
]}

Yuan, N. Y. ^{[1
,2
,3
]}

Hu, H. W. ^{[1
]}

Li, Y. ^{[1
]}

Fang, X. ^{[1
]}

机构：

[1] Changzhou Univ, Ctr Low Dimens Mat Micronano Devices & Syst, Changzhou 213164, Peoples R China

[2] Jiangsu Key Lab Solar Cell Mat & Technolgy, Changzhou 213164, Peoples R China

[3] Jiangsu Collaborat Innovat Ctr Photovolat Sci & E, Changzhou 213164, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 112卷

关键词：

Nanocomposites; Energy storage and conversion; Dye-sensitized solar cell; Counter electrode; Cu2ZnSnS4; Cu2ZnSnS4/graphene composite;

D O I：

10.1016/j.matlet.2013.09.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cu2ZnSnS4 (CZTS) can be potentially used as a counter electrode in dye-sensitized solar cells (DSSCs) because of its excellent catalytic performance. In this paper, stoichiometric CZTS was prepared and was applied in DSSCs. The DSSCs with CZTS counter electrodes showed relatively low photoelectric conversion efficiency (PCE) of 4.77%. However, the PCE was clearly enhanced by adding graphene to CZTS and a maximum PCE of 7.81% was achieved, which was superior to the value of 6.66% shown by the Pt counterpart. The influence of graphene that results in the improvement of the performance of the DSSCs is discussed in detail. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：219 / 222

页数：4

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