Sulfur-Doped Graphene with Iron Pyrite (FeS2) as an Efficient and Stable Electrocatalyst for the Iodine Reduction Reaction in Dye-Sensitized Solar Cells

Munkhbayar Batmunkh; Aabhash Shrestha; Guo Gao; Leping Yu; Jing Zhao; Mark J. Biggs; Cameron J. Shearer; Joseph G. Shapter

doi:10.1002/solr.201700011

Sulfur-Doped Graphene with Iron Pyrite (FeS₂) as an Efficient and Stable Electrocatalyst for the Iodine Reduction Reaction in Dye-Sensitized Solar Cells

Munkhbayar Batmunkh, Aabhash Shrestha, Guo Gao, Leping Yu, Jing Zhao, Mark J. Biggs, Cameron J. Shearer, Joseph G. Shapter^*

^*Corresponding author for this work

University Executive

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Abstract

As an alternative to platinum (Pt), hybrid electrocatalysts based on sulfur-doped graphene with FeS₂ microspheres (SGN-FeS₂) were used as a counter electrode (CE) in dye-sensitized solar cells (DSSCs). Benefiting from the high conductivity of SGN and excellent electrocatalytic activity of the FeS₂, the bifunctional hybrid electrocatalyst-based device displays a power conversion efficiency (PCE) of 8.1%, which is comparable to that (8.3%) of traditional Pt CE-based DSSC, while also exhibiting excellent stability in ambient conditions. These characteristics, in addition to its low-cost and facile preparation, make the SGN–FeS₂ hybrid an ideal CE material for DSSCs.

Original language	English
Article number	1700011
Journal	Solar RRL
Volume	1
Issue number	3-4
Early online date	9 Mar 2017
DOIs	https://doi.org/10.1002/solr.201700011
Publication status	Published - 6 Apr 2017

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Energy Engineering and Power Technology
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1002/solr.201700011

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This is the peer reviewed version of the following article: Batmunkh, M., Shrestha, A., Gao, G., Yu, L., Zhao, J., Biggs, M.J., Shearer, C.J. and Shapter, J.G. (2017), Sulfur‐Doped Graphene with Iron Pyrite (FeS2) as an Efficient and Stable Electrocatalyst for the Iodine Reduction Reaction in Dye‐Sensitized Solar Cells. Sol. RRL, 1: 1700011, which has been published in final form at https://doi.org/10.1002/solr.201700011 This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
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title = "Sulfur-Doped Graphene with Iron Pyrite (FeS2) as an Efficient and Stable Electrocatalyst for the Iodine Reduction Reaction in Dye-Sensitized Solar Cells",

abstract = "As an alternative to platinum (Pt), hybrid electrocatalysts based on sulfur-doped graphene with FeS2 microspheres (SGN-FeS2) were used as a counter electrode (CE) in dye-sensitized solar cells (DSSCs). Benefiting from the high conductivity of SGN and excellent electrocatalytic activity of the FeS2, the bifunctional hybrid electrocatalyst-based device displays a power conversion efficiency (PCE) of 8.1%, which is comparable to that (8.3%) of traditional Pt CE-based DSSC, while also exhibiting excellent stability in ambient conditions. These characteristics, in addition to its low-cost and facile preparation, make the SGN–FeS2 hybrid an ideal CE material for DSSCs.",

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AU - Batmunkh, Munkhbayar

AU - Shrestha, Aabhash

AU - Gao, Guo

AU - Yu, Leping

AU - Zhao, Jing

AU - Biggs, Mark J.

AU - Shearer, Cameron J.

AU - Shapter, Joseph G.

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AB - As an alternative to platinum (Pt), hybrid electrocatalysts based on sulfur-doped graphene with FeS2 microspheres (SGN-FeS2) were used as a counter electrode (CE) in dye-sensitized solar cells (DSSCs). Benefiting from the high conductivity of SGN and excellent electrocatalytic activity of the FeS2, the bifunctional hybrid electrocatalyst-based device displays a power conversion efficiency (PCE) of 8.1%, which is comparable to that (8.3%) of traditional Pt CE-based DSSC, while also exhibiting excellent stability in ambient conditions. These characteristics, in addition to its low-cost and facile preparation, make the SGN–FeS2 hybrid an ideal CE material for DSSCs.

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Sulfur-Doped Graphene with Iron Pyrite (FeS₂) as an Efficient and Stable Electrocatalyst for the Iodine Reduction Reaction in Dye-Sensitized Solar Cells

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