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Type: Journal article
Title: Solar photocatalytic water oxidation and purification on ZIF-8-derived C-N-ZnO composites
Author: Liang, P.
Zhang, C.
Sun, H.
Liu, S.
Tade, M.
Wang, S.
Citation: Energy and Fuels, 2017; 31(3):2138-2143
Publisher: American Chemical Society
Issue Date: 2017
ISSN: 0887-0624
Statement of
Ping Liang, Chi Zhang, Hongqi Sun, Shaomin Liu, Moses Tade, and Shaobin Wang
Abstract: Photocatalytic water splitting and purification become more and more important to tackle the severe energy and environment challenges in modern society. In this study, carbon- and nitrogen-modified ZnO photocatalysts were prepared by the controlled thermal decomposition of zeolitic imidazolate framework (ZIF)-8. ZIF-8 carbonization in a nitrogen atmosphere confined highly dispersive Zn into porous carbon, and the followed calcination in air induced the formation of nanosized ZnO photocatalysts. The physicochemical properties of the photocatalysts were investigated by a variety of characterization techniques, and the photocatalytic performances were evaluated in both oxygen evolution and degradation of dye under solar light. It was found that the two-step synthesis delivered better photocatalyst materials than that from one-step synthesis (directly annealing in nitrogen or air). The co-existence of nitrogen and carbon in ZnO was suggested to be favorable to enhanced photocatalysis.
Description: Published: October 12, 2016
Rights: © 2016 American Chemical Society
DOI: 10.1021/acs.energyfuels.6b02057
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Appears in Collections:Aurora harvest 3
Chemical Engineering publications

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