Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes

Hematite has been proposed as a suitable photocatalyst for water splitting based on its stability and appealing optical band gap, but its performance has not reached theoretical expectations. Here the authors show that this is due to intra-gap polaronic states that reduce the effective electronic ba...

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Autores principales:	Christian Lohaus, Andreas Klein, Wolfram Jaegermann
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/2997ad3dc4db48c6bab7216dc648ff56
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spelling	oai:doaj.org-article:2997ad3dc4db48c6bab7216dc648ff562021-12-02T15:34:03ZLimitation of Fermi level shifts by polaron defect states in hematite photoelectrodes10.1038/s41467-018-06838-22041-1723https://doaj.org/article/2997ad3dc4db48c6bab7216dc648ff562018-10-01T00:00:00Zhttps://doi.org/10.1038/s41467-018-06838-2https://doaj.org/toc/2041-1723Hematite has been proposed as a suitable photocatalyst for water splitting based on its stability and appealing optical band gap, but its performance has not reached theoretical expectations. Here the authors show that this is due to intra-gap polaronic states that reduce the effective electronic band gap.Christian LohausAndreas KleinWolfram JaegermannNature PortfolioarticleScienceQENNature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Christian Lohaus Andreas Klein Wolfram Jaegermann Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes
description	Hematite has been proposed as a suitable photocatalyst for water splitting based on its stability and appealing optical band gap, but its performance has not reached theoretical expectations. Here the authors show that this is due to intra-gap polaronic states that reduce the effective electronic band gap.
format	article
author	Christian Lohaus Andreas Klein Wolfram Jaegermann
author_facet	Christian Lohaus Andreas Klein Wolfram Jaegermann
author_sort	Christian Lohaus
title	Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes
title_short	Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes
title_full	Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes
title_fullStr	Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes
title_full_unstemmed	Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes
title_sort	limitation of fermi level shifts by polaron defect states in hematite photoelectrodes
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/2997ad3dc4db48c6bab7216dc648ff56
work_keys_str_mv	AT christianlohaus limitationoffermilevelshiftsbypolarondefectstatesinhematitephotoelectrodes AT andreasklein limitationoffermilevelshiftsbypolarondefectstatesinhematitephotoelectrodes AT wolframjaegermann limitationoffermilevelshiftsbypolarondefectstatesinhematitephotoelectrodes
_version_	1718386951415922688

Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes

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