Seleno-analogues of pentlandites (Fe₄.₅Ni₄.₅S₈₋YSeY, Y = 1–6): tuning bulk Fe/Ni sulphoselenides for hydrogen evolution
2019
Smialkowski, Mathias | Siegmund, Daniel | Pellumbi, Kevinjeorjios | Hensgen, Lars | Antoni, Hendrik | Muhler, Martin | Apfel, Ulf-Peter
We herein present a series of hitherto unprecedented seleno-pentlandites (Fe₄.₅Ni₄.₅S₈₋YSeY). 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.
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