Journal
ENGINEERING
Volume 3, Issue 3, Pages 285-289Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/J.ENG.2017.03.005
Keywords
Nickel-borate; Hematite; Oxygen evolution reaction; Co-catalyst
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Funding
- National Key Research and Development Program of China [2016YFB0600901]
- National Natural Science Foundation of China [21525626, U1463205, U1662111]
- Specialized Research Fund for the Doctoral Program of Higher Education [20130032120018]
- Program of Introducing Talents of Discipline to Universities [B06006]
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This paper describes the combinational surface kinetics enhancement and surface states passivation of nickel-borate (Ni-B-i) co-catalyst for a hematite (Fe2O3) photoanode. The Ni-B-i-modified Fe2O3 photoanode exhibits a cathodic onset potential shift of 230 mV and a 2.3-fold enhancement of the photocurrent at 1.23 V, versus the reversible hydrogen electrode (RHE). The borate (B-i) in the Ni-B-i film promotes the release of protons for the oxygen evolution reaction (OER). (C) 2017 THE AUTHORS. Published by Elsevier LTD on behalf of the Chinese Academy of Engineering and Higher Education Press Limited Company.
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