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Composite materials; photo-catalyst; electron microscopy; microstructure.

CuO/TiO₂ nanocrystals grown on graphene (CuO/TiO₂–GR) were prepared by a simple hydrothermal method using Cu(CH₃COO)₂.H₂O and (NH₄)₂TiF₆ as precursors and graphene oxide (GO) as templates. The asprepared composites were characterizated by TEM, XRD, FT–IR to determine composition and phase purity. The photocatalytic activity of the samples was evaluated by photo-degradation of methylene blue (MB) aqueous solution under UV and visible light illumination. This work may provide new insights into preparing other inorganic graphene-based composites.

Yuan Fang¹ Rijing Wang^{1 2} Guohua Jiang^{1 2} He Jin³ Yin Wang^{1 2} Xinke Sun^{1 2} Sheng Wang^{1 2} Tao Wang^{1 2}

1. College of Materials and Textile, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
2. Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
3. Qixin Honors College, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China

Manuscript received

29 March 2011

Manuscript revised

10 May 2011