Efficiency enhancement of dye-sensitized solar cells by optimization of electrospun ZnO nanowire/nanoparticle hybrid photoanode and combined modification

被引：25

作者：

Song, Lixin ^{[1
,2
]}

Du, Pingfan ^{[1
,2
]}

Xiong, Jie ^{[1
,2
]}

Ko, Frank ^{[3
]}

Cui, Can ^{[4
]}

机构：

[1] Coll Mat & Text, Hangzhou 310018, Zhejiang, Peoples R China

[2] Minist Educ, Key Lab Adv Textile Mat & Mfg Technol, Hangzhou 310018, Zhejiang, Peoples R China

[3] Zhejiang Sci Tech Univ, Sch Sci, Hangzhou 310018, Zhejiang, Peoples R China

[4] Univ British Columbia, Dept Mat Engn, Vancouver, BC V5Z 1M9, Canada

来源：

ELECTROCHIMICA ACTA | 2015年 / 163卷

基金：

中国国家自然科学基金;

关键词：

Zinc oxide; Multi-walled carbon nanotubes; Titanium tetrachloride; Electrospinning; Dye-sensitized solar cells; CARBON NANOTUBES; CONVERSION EFFICIENCY; TIO2; NANOSTRUCTURES; PERFORMANCE; RECOMBINATION; COLLECTION; NANORODS; GROWTH; LENGTH;

D O I：

10.1016/j.electacta.2015.02.093

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

ZnO nanoparticles (ZNPs) and ZnO nanowires (ZNWs) were fabricated via electrospinning and calcination. The ZNPs and ZNWs were blended with different mass ratio by varying ZNWs from 0% to 100% and serviced as photoanodic film of dye-sensitized solar cells (DSSCs) via spin coating. The efficiency of these DSSCs reached a maximum of 2.6% at 20 wt% ZNWs. In order to improve the photovoltaic properties of ZNWs/ZNPs hybrid photoanodic film, the ZNWs/ZNPs hybrid film was modified by the incorporation of multi-walled carbon nanotubes (MWCNTs) into ZnO matrix including both ZNPs and ZNWs combined with TiCl4 post-treatment. As a result, the efficiency of DSSCs increased from 2.6% to 3.8%, which is mainly attributed to the increased dye loading, faster electron transport, and less electron loss. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：330 / 337

页数：8

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