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dc.contributor.authorHe, Bingen_US
dc.contributor.authorJia, Songruen_US
dc.contributor.authorZhao, Mingyangen_US
dc.contributor.authorWang, Yangen_US
dc.contributor.authorChen, Taoen_US
dc.contributor.authorZhao, Shiqiangen_US
dc.contributor.authorLi, Zhenen_US
dc.contributor.authorLin, Zhiqunen_US
dc.contributor.authorZhao, Yanlien_US
dc.contributor.authorLiu, Xueqinen_US
dc.identifier.citationHe, B., Jia, S., Zhao, M., Wang, Y., Chen, T., Zhao, S., Li, Z., Lin, Z., Zhao, Y. & Liu, X. (2021). General and robust photothermal-heating-enabled high-efficiency photoelectrochemical water splitting. Advanced Materials, 33(16), 2004406-.
dc.description.abstractThe ability of photoanodes to simultaneously tailor light absorption, charge separation, and water oxidation processes represents an important endeavor toward highly efficient photoelectrochemical (PEC) water splitting. Here, a robust strategy is reported to render markedly improved PEC water splitting via sandwiching a photothermal Co3 O4 layer between a BiVO4 photoanode film and an FeOOH/NiOOH electrocatalyst sheet. The deposited Co3 O4 layer manifests compelling photothermal effect upon near-infrared irradiation and raises the temperature of the photoanodes in situ, leading to extended light absorption, enhanced charge transfer, and accelerated water oxidation kinetics simultaneously. The judiciously designed NiOOH/FeOOH/Co3 O4 /BiVO4 photoanode renders a superior photocurrent density of 6.34 mA cm-2 at 1.23 V versus a reversible reference electrode (VRHE ) with outstanding applied bias photon-to-current efficiency of 2.72% at 0.6 VRHE . In addition to the metal oxide, a wide variety of metal sulfides, nitrides, and phosphides (e.g., CoS, CoN, and CoP) can be exploited as the heaters to yield high-performance BiVO4 -based photoanodes. Apart from BiVO4 , other metal oxides (e.g., Fe2 O3 and TiO2 ) can also be covered by photothermal materials to impart significantly promoted water splitting. This simple yet general strategy provides a unique platform to capitalize on their photothermal characteristics to engineer high-performing energy conversion and storage materials and devices.en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofAdvanced Materialsen_US
dc.rights© 2021 Wiley-VCH GmbH. All rights reserved.en_US
dc.titleGeneral and robust photothermal-heating-enabled high-efficiency photoelectrochemical water splittingen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.subject.keywordsBismuth Vanadateen_US
dc.description.acknowledgementThis work was supported by the National Natural Science Foundation of China (51902297, 52002361, and 51903080), the Fundamental Research Funds for National Universities, China University of Geosciences (Wuhan), the Fund of the Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, and the Singapore National Research Foundation Investigatorship (NRF-NRFI2018-03).en_US
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