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Heterojunction strategy to improve visible light sensitive water splitting performance of photo catalytic materials

Abstract

Photocatalytic water splitting is a promising path to generate hydrogen which will decrease the dependency of conventional fossil fuel in power generation and provides an environment-benign way to store solar energy. Designing photocatalysts is one of the key challenges in photocatalytic water splitting to make this process efficient and economically viable. Heterojunction formation using different functional materials in a single photo catalyst potentially broaden the light harvesting property, improve chemical stability, enhance the photoexcited charge separation and thus boost up the water splitting efficiency. This article gives an overview on heterojunction strategy in improving photocatalytic water splitting performance. Recent development in different visible light responsive heterojunction systems is discussed for metal oxide-metal oxide and metal oxide-non metal oxide heterojunctions. Along with experimental observation and proposed charge separation mechanism, synthesis techniques of heterojunction materials are also included in this article. In addition to recent progress in heterojunction based photocatalytic system, this mini review article also provides future directions in photocatalytic water splitting.

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Publication details

The article was received on 05 May 2018, accepted on 28 Jun 2018 and first published on 28 Jun 2018


Article type: Review Article
DOI: 10.1039/C8TA04165B
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Heterojunction strategy to improve visible light sensitive water splitting performance of photo catalytic materials

    K. Afroz, M. Moniruddin, N. Bakranov and N. Nuraje, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA04165B

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