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Tianjiao Bi,Jiafeng Wan,Shilin Yang,Xiujuan Yu,Fangwei Ma 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2015 NANO Vol.10 No.5
Nitrogen-doped mesoporous carbon spheres (NMCSs) supporting anatase TiO2 (NMCSs – TiO2) were prepared by a simple two-step solvothermal approach. The characterizations for the physicochemical properties of prepared samples under different solvothermal temperatures were carried out by X-ray diffraction (XRD) analyses, scanning electron microscopy (SEM), transmission electron microscopy (TEM), N2 adsorption – desorption (Brunauer – Emmett – Teller (BET) measurements), Fourier transform infrared (FT-IR) spectroscopy, Raman scattering and UV-Vis diffuse reflectance spectra, were combined in order to determine the crystal phase and grain size, shape, degree of mesoporous carbon incorporation, and nature of the resultant oxy-carbide chemical bonding on the surface and in the bulk. The high relative photocatalytic activity of NMCSs – TiO2 nanoparticle was evaluated through a study of the decomposition of phenol under visible-light excitation.