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메조포어 물질을 이용한 TiO_2의 제조와 광촉매 산화반응에의 적용
이한수,윤봉국,우창수,김소영,He, NongYue,이호인 한국공업화학회 2003 응용화학 Vol.7 No.1
TiO_2-loaded mesoporous materials were prepared by sol-gel method. Mesoporous materials suppressed the phase transformation of TiO_2 from anatase to rutile and increased the bandgap of TiO_2 which was explained in terms of the quantum size effect. Several kinds of nano-sized TiO_2 with particle sizes of 5∼20 nm, were obtained through the removal of the mesoporous materials by etching in 2 M NaOH or the calcination under air condition. They showed good activites in the photocatalytic oxidation of 2-isopropyl-6-methyl-4-pyrimidinol.