Issue 13, 2014
From the journal:

Journal of Materials Chemistry A

A ZnO nanorod/nanoparticle hierarchical structure synthesized through a facile in situ method for dye-sensitized solar cells†

Rui Gao,a   Yixiu Cui,a   Xiaojiang Liu,a   Liduo Wang*b  and  Guozhong Cao*cd  

* Corresponding authors

a Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

b Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
E-mail: chldwang@mail.tsinghua.edu.cn

c Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
E-mail: gzcao@u.washington.edu

d Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100085, China

Abstract

A novel ZnO nanorod/nanoparticle (NR/NP) hierarchical structure on a zinc foil has been fabricated through a chemical bath deposition method. When used as a flexible photoanode for DSSCs, such a structure demonstrated enhanced dye-loading and electron lifetime as compared to the NR structure. It also retarded the charge recombination while maintaining the electron diffusion length of the NR structure. As a result, the power conversion efficiency of the DSSCs based on the NR/NP structure increased from 1.35% to 3.63% with a 169% enhancement as compared to that based on ZnO NRs.

Graphical abstract: A ZnO nanorod/nanoparticle hierarchical structure synthesized through a facile in situ method for dye-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/C3TA15276F
Article type
Paper
Submitted
18 Dec 2013
Accepted
13 Jan 2014
First published
14 Jan 2014

J. Mater. Chem. A, 2014,2, 4765-4770

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A ZnO nanorod/nanoparticle hierarchical structure synthesized through a facile in situ method for dye-sensitized solar cells

R. Gao, Y. Cui, X. Liu, L. Wang and G. Cao, J. Mater. Chem. A, 2014, 2, 4765 DOI: 10.1039/C3TA15276F

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