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Vol. 8 No. 3 (2016)

A Bi-layer Composite Film Based on TiO2 Hollow Spheres, P25, and Multi-walled Carbon Nanotubes for Efficient Photoanode of Dye-sensitized Solar Cell

https://doi.org/10.1007/s40820-015-0081-1
Putao Zhang
Institute of New Energy Material, Dalian Polytechnic University, Dalian 116034, People’s Republic of China
Zhiqiang Hu
Institute of New Energy Material, Dalian Polytechnic University, Dalian 116034, People’s Republic of China
Yan Wang
Institute of New Energy Material, Dalian Polytechnic University, Dalian 116034, People’s Republic of China
Yiying Qin
Institute of New Energy Material, Dalian Polytechnic University, Dalian 116034, People’s Republic of China
Wenqin Li
School of Environmental and Materials Engineering, College of Engineering, Shanghai Second Polytechnic University, Shanghai 201209, People’s Republic of China
Jinmin Wang
School of Environmental and Materials Engineering, College of Engineering, Shanghai Second Polytechnic University, Shanghai 201209, People’s Republic of China

Corresponding Author: Jinmin Wang

wangjinmin@sspu.edu.cn

Nano-Micro Letters, Vol. 8 No. 3 (2016), Article Number: 232-239

Abstract

A bi-layer photoanode for dye-sensitized solar cell (DSSC) was fabricated, in which TiO2 hollow spheres (THSs) were designed as a scattering layer and P25/multi-walled carbon nanotubes (MWNTs) as an under-layer. The THSs were synthesized by a sacrifice template method and showed good light scattering ability as an over-layer of the photoanode. MWNTs were mixed with P25 to form an under-layer of the photoanode to improve the electron transmission ability of the photoanode. The power conversion efficiency of this kind of DSSC with bi-layer was enhanced to 5.13 %, which is 14.25 % higher than that of pure P25 DSSC.

Keywords

Dye-sensitized solar cell TiO2 Hollow spheres Carbon nanotubes
Zhang, Putao, Zhiqiang Hu, Yan Wang, Yiying Qin, Wenqin Li, and Jinmin Wang. 2016. “A Bi-Layer Composite Film Based on TiO2 Hollow Spheres, P25, and Multi-Walled Carbon Nanotubes for Efficient Photoanode of Dye-Sensitized Solar Cell”. Nano-Micro Letters 8 (3):232-39. https://doi.org/10.1007/s40820-015-0081-1.
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