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Journal of Materials Science: Materials in Electronics

Anchoring CoS on three-dimensional porous rGO thin films as efficient counter electrodes for dye-sensitized solar cells

  • 05-11-2020
Published in:
Authors
Jun Liu
Weifeng Yang
Aixiang Wei
Huajiang Zuo
Weiwei Zhang
Kangle Liu
Zhen Liu
Zhiming Xiao
Yu Zhao
Published in
Journal of Materials Science: Materials in Electronics | Issue 24/2020

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Abstract

Rational design of advanced cost-effective counter electrode (CE) is vital for the development of dye-sensitized solar cells (DSSCs). Herein, we report a novel CoS/reduced graphene oxide (CoS/rGO) composite counter electrode via a facile and rapid microwave irradiation plus ion exchange method. CoS nanoparticles are strongly anchored on three-dimensional (3D) porous rGO thin films. Due to positive advantages including high catalytic properties, enhanced active area, and electrical conductivity, the DSSC based on CoS/rGO counter electrode is endowed with a power conversion efficiency (PCE) of 6.86%, superior to that based on sputtered Pt counter electrode (6.50%). Our results indicate that CoS/rGO composite thin film is a low-cost and highly efficient CE for DSSCs.

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Title
Anchoring CoS on three-dimensional porous rGO thin films as efficient counter electrodes for dye-sensitized solar cells
Authors
Jun Liu
Weifeng Yang
Aixiang Wei
Huajiang Zuo
Weiwei Zhang
Kangle Liu
Zhen Liu
Zhiming Xiao
Yu Zhao
Publication date
05-11-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 24/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04765-x
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