Seleno-analogues of pentlandites (Fe4.5Ni4.5S8−YSeY, Y = 1–6): tuning bulk Fe/Ni sulphoselenides for hydrogen evolution

Mathias Smialkowski; Daniel Siegmund; Kevinjeorjios Pellumbi; Lars Hensgen; Hendrik Antoni; Martin Muhler; Ulf-Peter Apfel

doi:10.1039/C9CC01842E

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Seleno-analogues of pentlandites (Fe_4.5Ni_4.5S_8−YSe_Y, Y = 1–6): tuning bulk Fe/Ni sulphoselenides for hydrogen evolution†

Mathias Smialkowski,^a Daniel Siegmund,

^b Kevinjeorjios Pellumbi,^a Lars Hensgen,^c Hendrik Antoni,^d Martin Muhler

^d and Ulf-Peter Apfel

*^ab

Author affiliations

* Corresponding authors

^a Inorganic Chemistry I – Bioinorganic Chemistry, Ruhr University Bochum, Universitätsstrasse 150, 44801 Bochum, Germany
E-mail: ulf.apfel@rub.de

^b Fraunhofer UMSICHT, Osterfelder Str. 3, 46047 Oberhausen, Germany

^c Tribotecc GmbH, Fleischmarkt 3-5, 1010 Vienna, Austria

^d Industrial Chemistry Ruhr University Bochum, Universitätsstrasse 150, 44801 Bochum, Germany

Abstract

We herein present a series of hitherto unprecedented seleno-pentlandites (Fe_4.5Ni_4.5S_8−YSe_Y). By analysing the influence of S/Se exchange on the catalyst structure and activity in the electrochemical hydrogen evolution reaction we herein showcase the potential and limitations of homologous S/Se exchanges within pentlandite HER catalysts.

This article is part of the themed collection: 2019 Emerging Investigators

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Article information

DOI: https://doi.org/10.1039/C9CC01842E
Article type: Communication
Submitted: 06 Mär 2019
Accepted: 23 Apr 2019
First published: 23 Apr 2019

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Chem. Commun., 2019,55, 8792-8795

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Seleno-analogues of pentlandites (Fe_4.5Ni_4.5S_8−YSe_Y, Y = 1–6): tuning bulk Fe/Ni sulphoselenides for hydrogen evolution

M. Smialkowski, D. Siegmund, K. Pellumbi, L. Hensgen, H. Antoni, M. Muhler and U. Apfel, Chem. Commun., 2019, 55, 8792 DOI: 10.1039/C9CC01842E

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