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Issue 2, 2013
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Oriented single-crystalline nickel sulfidenanorod arrays: “two-in-one” counter electrodes for dye-sensitized solar cells†

Wei Zhao,‡ab   Tianquan Lin,‡a   Shengrui Sun,a   Hui Bi,a   Ping Chen,a   Dongyun Wan*a  and  Fuqiang Huang*ab  
Author affiliations

* Corresponding authors

a CAS Key Laboratory of Materials for Energy Conversion and State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China
E-mail: wandy@mail.sic.ac.cn, huangfq@mail.sic.ac.cn

b Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China

Abstract

An oriented millerite nickel sulfide (NiS) nanorod array was successfully grown on bare glass substrate. Metallic conductivity and outstanding electrocatalytic activity make it possible to function as a new type of “two-in-one” counter electrode (CE) in dye-sensitized solar cells (DSCs) to replace both the transparent conductive oxide (TCO) and Pt electrocatalyst. When applied in DSCs, an impressive power conversion efficiency of 7.41% was achieved, comparable to that of TCO supported Pt CE (7.55%). The NiS nanoarray film could be a potential candidate to realize a “two-in-one” CE in DSCs, which is highly desirable to reduce the fabrication cost of DSCs while retaining a comparable conversion efficiency.

Graphical abstract: Oriented single-crystalline nickel sulfide nanorod arrays: “two-in-one” counter electrodes for dye-sensitized solar cells

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Article information

https://doi.org/10.1039/C2TA00416J
Submitted
24 Sep 2012
Accepted
15 Oct 2012
First published
16 Oct 2012
J. Mater. Chem. A, 2013,1, 194-198
Article type
Communication
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Oriented single-crystalline nickel sulfide nanorod arrays: “two-in-one” counter electrodes for dye-sensitized solar cells

W. Zhao, T. Lin, S. Sun, H. Bi, P. Chen, D. Wan and F. Huang, J. Mater. Chem. A, 2013, 1, 194
DOI: 10.1039/C2TA00416J

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