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Wiley, Angewandte Chemie International Edition, 48(52), p. 12692-12695, 2013

DOI: 10.1002/anie.201306263

Wiley, Angewandte Chemie, 48(125), p. 12924-12927, 2013

DOI: 10.1002/ange.201306263

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Hematite-Based Water Splitting with Low Turn-On Voltages

Journal article published in 2013 by Chun Du ORCID, Xiaogang Yang ORCID, Matthew T. Mayer ORCID, Henry Hoyt, Jin Xie, Gregory McMahon, Gregory Bischoping, Dunwei Wang
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Power up: The photoelectrochemical performance of hematite in a water-splitting device was improved significantly through surface modification with amorphous NiFeOx (see graph showing the large cathodic shift observed; FTO=fluorine-doped tin oxide). The measured photovoltage increased from 0.24 to 0.61 V, which yielded a record-low turn-on potential of 0.62 V (versus the reversible hydrogen electrode, RHE).