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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Shrestha, Aabhash
Gao, Guo
Yu, Leping
Zhao, Jing
Biggs, Mark J
Shearer, Cameron J
Shapter, Joseph G
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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.
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Solar RRL
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1
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3-Apr
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© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the peer reviewed version of the following article: Sulfur‐Doped Graphene with Iron Pyrite (FeS2) as an Efficient and Stable Electrocatalyst for the Iodine Reduction Reaction in Dye‐Sensitized Solar Cells, Solar RRL, Volume 1, Issue 3-4, 1700011, 2017 , 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 Self-Archiving (http://olabout.wiley.com/WileyCDA/Section/id-828039.html)
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Photovoltaic devices (solar cells)
Nanophotonics
Science & Technology
Technology
Energy & Fuels
Materials Science, Multidisciplinary
Materials Science
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Batmunkh, M; Shrestha, A; Gao, G; Yu, L; Zhao, J; Biggs, MJ; Shearer, CJ; Shapter, JG, Sulfur-Doped Graphene with Iron Pyrite (FeS2) as an Efficient and Stable Electrocatalyst for the Iodine Reduction Reaction in Dye-Sensitized Solar Cells, Solar RRL, 2017, 1 (3-4), pp. 1700011:1-1700011:6