Performance comparison of dye-sensitized solar cells with different ZnO photoanodes

被引：15

作者：

Wu, Ming Ke ^{[1
]}

Ling, Tao ^{[1
]}

Xie, Yang ^{[1
]}

Huang, Xue Guang ^{[2
]}

Du, Xi Wen ^{[1
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin Kay Lab Composite & Funct Mat, Tianjin 300072, Peoples R China

[2] State Intellectual Property Off Peoples Republ Ch, Patent Examinat Cooperat Ctr, Beijing 100190, Peoples R China

来源：

SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 2011年 / 26卷 / 10期

基金：

高等学校博士学科点专项科研基金;

关键词：

ELECTROCHEMICAL SYNTHESIS; THIN-FILMS; RECOMBINATION; GROWTH; NANOSTRUCTURES; NANOSHEETS; IMPEDANCE; FABRICATION; EFFICIENCY; TRANSPORT;

D O I：

10.1088/0268-1242/26/10/105001

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Different ZnO nanostructures, including separated nanowires, bundled nanowires, nanotubes and dual-layer structure of nanotubes with covered nanoflowers, were synthesized in aqueous solution using a seeded growth process, and these ZnO nanostructures were then used as photoanodes to construct dye-sensitized solar cells (DSSCs). The overall conversion efficiency, dye-adsorption capability, and electron transport of DSSCs were investigated. It was found that surface area and dye adsorption capability of ZnO photoanode were decisive for the performance of DSSCs. Dual-layer structure can achieve an excellent balance between dye adsorption and carrier transport, resulting in higher conversion efficiency over other nanostructures. Our results indicate that ZnO is an excellent material for electron transport, and appropriate ZnO nanostructure is conducive to improving the conversion efficiency of DSSCs.

引用

页数：6

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