期刊
CERAMICS INTERNATIONAL
卷 42, 期 11, 页码 13273-13277出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2016.05.129
关键词
Exfoliated graphite; Cu2O; Composites materials; Surfaces; Visible light
资金
- National Natural Science Foundation of China [21477069]
- Science and Technology Innovation Project of Shanxi Province University [2015178]
- Natural Science Foundation of Datong [201405-5]
Cu2O/exfoliated graphite composites (Cu2O/EG (1 wt%), Cu2O/EG (4 wt%), Cu2O/EG (7 wt%), Cu2O/EG (10 wt%), and Cu2O/EG (15 wt)) were prepared by the precipitation method. The photocatalytic activity of the material was evaluated using the decolorization of methyl orange (MO) solution as model reaction. Results showed that Cu2O deposited on the worm-like flakes of EG in the form of nanocrystals. The EG provided a three-dimensional environment for photocatalytic reaction and endowed a high adsorption capacity for the sample. Under optimal conditions, the decolorization efficiencies of MO for 60 min reached 96.7%. Recycling of the catalyst showed Cu2O/EG composites (10 wt%) to possess high photo catalytic efficiency even when repeatedly used for five times. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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