Issue 34, 2013
From the journal:

Journal of Materials Chemistry A

Improving the photovoltaic performance of a dye-sensitized solar cell by using a hierarchical titania bur-like microspheres double layered photoanode

Guanglu Shang,a   Jihuai Wu,*a   Miaoliang Huang,a   Zhang Lan,a   Jianming Lin,a   Qin Liu,a   Min Zheng,a   Jinghao Huoa  and  Lu Liua  

* Corresponding authors

a Institute of Materials Physical Chemistry, Huaqiao, University, Quanzhou 362021, Fujian, China
E-mail: jhwu@hqu.edu.cn
Fax: +86 595-22692229
Tel: +86 595-22693899

Abstract

Three-dimensional hierarchical titania bur-like microspheres (TiO2 BMs) composed of nanowires were synthesized by a hydrothermal method, and possess a specific surface area of 114 m2 gāˆ’1 and a main pore size of 6 nm. The one-dimensional nanowire ensures faster electron transport and a longer electron recombination time than titania nanoparticles (TiO2 NPs). Therefore, a film based on the TiO2 BMs exhibits excellent light scattering properties and thus enhances light harvesting efficiency. Using a TiO2 BM film as a scattering layer on the top of a compact TiO2 NP film, the double layered dye-sensitized solar cell (DSSC) shows a power conversion efficiency of 7.31%, indicating a 10.2% and 15.1% improvement compared to the DSSCs based on TiO2 NP and TiO2 BM single films, respectively.

Graphical abstract: Improving the photovoltaic performance of a dye-sensitized solar cell by using a hierarchical titania bur-like microspheres double layered photoanode

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Article information

DOI
https://doi.org/10.1039/C3TA11946G
Article type
Paper
Submitted
17 May 2013
Accepted
07 Jun 2013
First published
07 Jun 2013

J. Mater. Chem. A, 2013,1, 9869-9874

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Improving the photovoltaic performance of a dye-sensitized solar cell by using a hierarchical titania bur-like microspheres double layered photoanode

G. Shang, J. Wu, M. Huang, Z. Lan, J. Lin, Q. Liu, M. Zheng, J. Huo and L. Liu, J. Mater. Chem. A, 2013, 1, 9869 DOI: 10.1039/C3TA11946G

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