Enhanced photoresponse of FeS2 films: the role of Marcasite-Pyrite phase junctions

L. Wu, N.Y. Dzade, L. Gao, D.O. Scanlon, Z. Öztürk, N. Hollingsworth, B.M. Weckhuysen, E.J.M. Hensen, N.H. De Leeuw, J.P. Hofmann

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41 Citaten (Scopus)
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Samenvatting

The beneficial role of marcasite in iron-sulfide-based photo-electrochemical applications is reported for the first time. A spectacular improvement of the photoresponse observed experimentally for mixed pyrite/marcasite-FeS2 films can be ascribed to the presence of p/m phase junctions at the interface. Density functional theory calculations show that the band alignment at the phase boundary contributes to enhanced charge separation and transfer across the interface.
Originele taal-2Engels
Pagina's (van-tot)9602-9607
Aantal pagina's6
TijdschriftAdvanced Materials
Volume28
Nummer van het tijdschrift43
DOI's
StatusGepubliceerd - 15 sep 2016

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