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  Photochemical Water Splitting by Bismuth Chalcogenide Topological Insulators

Rajamathi, C. R., Gupta, U., Pal, K., Kumar, N., Yang, H., Sun, Y., et al. (2017). Photochemical Water Splitting by Bismuth Chalcogenide Topological Insulators. ChemPhysChem, 18(17), 2322-2327. doi:10.1002/cphc.201700344.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F585-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F58B-E
Genre: Journal Article

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 Creators:
Rajamathi, Catherine R.1, Author              
Gupta, Uttam2, Author
Pal, Koushik2, Author
Kumar, Nitesh1, Author              
Yang, Hao1, Author              
Sun, Yan1, Author              
Shekhar, Chandra3, Author              
Yan, Binghai4, Author              
Parkin, Stuart2, Author
Waghmare, Umesh V.2, Author
Felser, Claudia5, Author              
Rao, C. N. R.2, Author
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
4Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: As one of the major areas of interest in catalysis revolves around 2D materials based on molybdenum sulfide, we have examined the catalytic properties of bismuth selenides and tellurides, which are among the first chalcogenides to be proven as topological insulators (TIs). We find significant photochemical H-2 evolution activity with these TIs as catalysts. H-2 evolution increases drastically in nanosheets of Bi2Te3 compared to single crystals. First-principles calculations show that due to the topology, surface states participate and promote the hydrogen evolution.

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Language(s): eng - English
 Dates: 2017-08-082017-08-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000409334300004
DOI: 10.1002/cphc.201700344
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Title: ChemPhysChem
Source Genre: Journal
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Publ. Info: Weinheim, Germany : Wiley-VCH
Pages: - Volume / Issue: 18 (17) Sequence Number: - Start / End Page: 2322 - 2327 Identifier: ISSN: 1439-4235
CoNE: /journals/resource/954925409790