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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received May 25, 2019
Accepted September 26, 2019
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Facile fabrication and photocatalytic activity of Ag/AgI/rGO films

School of Chemical Engineering and Materials Science, Chung-Ang University, Seoul 06974, Korea 1Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
hjkoo@seoultech.ac.kr
Korean Journal of Chemical Engineering, December 2019, 36(12), 2104-2109(6), 10.1007/s11814-019-0396-6
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Abstract

The composite material, Ag/AgX/graphene (X=Br, Cl, I), is considered a promising photocatalyst for photocatalytic degradation of organic pollutants. Its photocatalytic activity is superior to that of the conventional TiO2 photocatalyst; the enhanced photocatalytic activity is attributed to its effective charge separation ability and wide visible light absorption. However, the Ag/AgX/graphene composite is often prepared in the powder form, limiting its widespread application. In addition, the simple fabrication of Ag/AgX/graphene composite films is highly challenging. In this study, a simple solution-based process based on meniscus-dragging deposition is demonstrated for the fabrication of Ag/AgI/rGO composite films. Uniform catalyst films with reasonable photocatalytic activities can be easily fabricated by using this microliter-scale solution process.

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