Journal
CERAMICS INTERNATIONAL
Volume 40, Issue 3, Pages 5055-5059Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.09.021
Keywords
Graphene; Spray drying; Photocatalytic performance
Categories
Funding
- Construct Program of the Key Discipline in Hunan Province [XJF[2011] 76]
- General Project of Hunan Provincial Education Department [11C0910]
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Graphene sphere decorated with urchin-like CuO and Cu2O (CuxO, x=1 or 2) was successfully synthesized by spray drying and post-calcinating method. Scanning electron microscopy and transmission electron microscopy observations confirmed that graphene formed a spherical micrometer structure and urchin,like CuxO were decorated on their surface. The experimental results indicated that these novel nanocomposites showed excellent photocatalytic performance in the presence of H2O2 under visible light. This could be attributed to a fast and long-distance electron transport in one-dimensional geometry and an effective separation of photogenerated electron hole pairs for an intimate interfacial contact between CuxO and graphene sphere. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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