Sb2S3 surface modification induced remarkable enhancement of TiO2 core/shell nanowries solar cells

被引：18
|
作者：
Meng, Xiuqing [1 ]
Wang, Xiaozhou [1 ]
Zhong, Mianzeng [1 ]
Wu, Fengmin [1 ]
Fang, Yunzhang [1 ]
机构：
[1] Zhejiang Normal Univ, Res Ctr Light Emitting Diodes LED, Jinhua 321004, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2013年 / 201卷
基金：
中国国家自然科学基金;
关键词：
Dye-sensitized solar cells; Core/shell TiO2 nanowire arrays; Sandwiched structure; Improved efficiency; OPTICAL-PROPERTIES; TITANIUM-DIOXIDE; THIN-FILMS; PERFORMANCE; THICKNESS; ABSORBER;
D O I：
10.1016/j.jssc.2013.01.041
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
This study presents the fabrication of a novel dye-sensitized solar cell with Sb2S3-modified TiO2 nanowire (NW) arrays/TiO2 nanoparticles (NP) (TiO2(NWs)/TiO2(NPs)/Sb2S3) as the anodes and N719 dye as the sensitizer. A solar conversion efficiency of 4.91% at 1 sun illumination was achieved for the composite cell, which is markedly higher than the efficiency rates obtained using TiO2 and TiO2(NWs)/Sb2S3/TiO2(NPs) NW cells, calculated at 2.36% and 3.11%, respectively. The improved efficiency results from the large surface area of the NPs, as well as the expansion of the light absorption region and high absorption coefficient by Sb2S3 surface modification. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码：75 / 78
页数：4
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