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Received February 1, 2013
Accepted August 7, 2013
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Synthesis, characterization and catalytic property of CuO and Ag/CuO nanoparticles for the epoxidation of styrene
Department of Chemistry, Faculty of Sciences, Alzahra University, P. O. Box 1993893973, Tehran, Iran
m_lashani@alzahra.ac.ir
Korean Journal of Chemical Engineering, November 2013, 30(11), 2007-2011(5), 10.1007/s11814-013-0152-2
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Abstract
CuO nanorodes, CuO nanoplates and Ag/CuO nanoparticles were synthesized in the presence of polyethylene glycol by depositional in alkaline environment. Oxide nanoparticles were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier transform infrared absorption spectra (FT-IR). CuO and Ag/CuO nanoparticles show high catalytic activity for the selective epoxidation of styrene to styrene oxide by TBHP. Under the optimized reaction condition, the oxidation of styrene catalyzed by CuO nanorods gave 100% conversion with 60 and 35% styrene oxide and benzaldehyde, respectively. Ag/CuO gave 99% conversion and styrene oxide (71%) and benzaldehyde (12%) being the major product.
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