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Issue 43, 2014
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A hematite photoanode with gradient structure shows an unprecedentedly low onset potential for photoelectrochemical water oxidation

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Abstract

Ultra-high onset potential hinders the application of hematite for photoelectrochemical (PEC) water splitting. Herein, a hematite photoanode with an unprecedentedly low onset potential of 0.50 V vs. the reversible hydrogen electrode for PEC water oxidation is reported. The drastically reduced onset potential is mainly ascribed to the passivation of the hematite surface states and the gradient structure made by H2–O2 flame at high temperature.

Graphical abstract: A hematite photoanode with gradient structure shows an unprecedentedly low onset potential for photoelectrochemical water oxidation

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Publication details

The article was received on 20 Aug 2014, accepted on 09 Sep 2014 and first published on 16 Sep 2014


Article type: Communication
DOI: 10.1039/C4CP03731F
Citation: Phys. Chem. Chem. Phys., 2014,16, 23544-23548
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    A hematite photoanode with gradient structure shows an unprecedentedly low onset potential for photoelectrochemical water oxidation

    J. Han, X. Zong, Z. Wang and C. Li, Phys. Chem. Chem. Phys., 2014, 16, 23544
    DOI: 10.1039/C4CP03731F

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