Characteristics of SnO2 nanofiber/TiO2 nanoparticle composite for dye-sensitized solar cells

被引：28

作者：

Gong, Jiawei ^{[1
,2
]}

Qiao, Hui ^{[3
]}

Sigdel, Sudhan ^{[1
]}

Elbohy, Hytham ^{[1
]}

Adhikari, Nirmal ^{[1
]}

Zhou, Zhengping ^{[1
]}

Sumathy, K. ^{[2
]}

Wei, Qufu ^{[3
]}

Qiao, Qiquan ^{[1
]}

机构：

[1] S Dakota State Univ, Dept Elect Engn, Ctr Adv Photovolta, Brookings, SD 57007 USA

[2] N Dakota State Univ, Dept Mech Engn, Fargo, ND 58102 USA

[3] Jiangnan Univ, Minist Educ, Key Lab Ecotext, Wuxi 214122, Peoples R China

来源：

AIP ADVANCES | 2015年 / 5卷 / 06期

基金：

中国国家自然科学基金;

关键词：

HIGH-EFFICIENCY; NANOCRYSTALLINE TIO2; ELECTRON-MOBILITY; CHARGE-TRANSPORT; TIN OXIDE; FILMS; MICROSPHERES; PERFORMANCE; NANOSTRUCTURES; PHOTOANODE;

D O I：

10.1063/1.4922626

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

SnO2 nanofibers and their composites based photoanodes were fabricated and investigated in the application of dye-sensitized solar cells. The photoanode made of SnO2/TiO2 composites yielded an over 2-fold improvement in overall conversion efficiency. The microstructure of SnO2 nanofibers was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). A compact morphology of composites was observed using scanning electron microscopy (SEM). A long charge diffusion length (62.42 mu m) in the composites was derived from time constant in transient photovoltage and photocurrent analysis. These experimental results demonstrate that one-dimensional nanostructured SnO2/TiO2 composites have a great potential for application in solar cells. (C) 2015 Author(s).

引用

页数：10

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