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Abstract:
Mesoporous graphitic carbon with high surface area (298.2 m2/g) was fabricated at 950°C using monodisperse colloid SiO2 with diameter of 26 nm as the template, styrene as the carbon precursor, and Ni as the catalyst. The obtained carbon material was characterized by powder X-ray diffraction, N2 adsorption, thermogravimetric analysis, and transmission electron microscopy. The presence of Ni was crucial to the formation of graphitized mesoporous carbon. The TiO2/graphitic carbon composite was prepared by loading TiO2 in the mesopores of the graphitic carbon via the sol-gel method. Both the surface area and pore volume of the composite were significantly reduced in contrast to the mesoporous graphitic carbon. The photoactivity of TiO2/graphitic carbon was investigated by photocatalytic degradation aqueous solutions of rhodamine B and phenol. The degradation of both rhodamine B and phenol followed first-order reaction kinetics, and the composite showed higher photoactivity than the pure anatase TiO2. © 2008 Dalian Institute of Chemical Physics, the Chinese Academy of Sciences.
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Chinese Journal of Catalysis
ISSN: 0253-9837
CN: 21-1601/O6
Year: 2008
Issue: 1
Volume: 29
Page: 31-36
0 . 7 0 7
JCR@2008
1 5 . 7 0 0
JCR@2023
JCR Journal Grade:3
Cited Count:
SCOPUS Cited Count: 34
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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