Synthesis and electronic behaviors of TiO2/carbon clusters/Cr2O3 composite materials |
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| Authors: | H Miyazaki T Nagano S Ito |
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| Institution: | a Department of Applied Chemistry, Faculty of Science and Engineering, Kinki University, 3-4-1 Kowakae, Higashiosaka, Osaka 577-8502, Japan
b Molecular Engineering Institute, Kinki University, 11-6 Kayanomori, Iizuka, Fukuoka 820-8555, Japan |
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| Abstract: | Nano-structured TiO2/carbon clusters/Cr2O3 composite material has been successfully obtained by the microwave treatment of a TiO(acac)/Cr(acac)3/epoxy resin complex. The compositions of the composite materials were determined using ICP, elemental analysis and surface characterization by SEM-EDX, TEM and XRD. ESR spectral examinations suggest the possibility of an electron transfer in the process of TiO2 → carbon clusters → Cr2O3 with an oxidation site at TiO2 particles and a reduction site at Cr2O3 particles. The preliminary experimental results show that the calcined materials could decompose methylene blue under visible-light irradiation. |
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| Keywords: | 71 20 Rv 71 20 Nr 72 80 Tm 73 63 Bd 74 25 Jb |
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