Synthesis and photoluminescence of well-dispersible anatase TiO(2) nanoparticles.

Synthesis and photoluminescence of well-dispersible anatase TiO(2) nanoparticles. Research Abstract Details 

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Synthesis and photoluminescence of well-dispersible anatase TiO(2) nanoparticles. Abstract Text:

Jiaoxing Xu,Liping Li,Youjun Yan,Hui Wang,Xuxu Wang,Xianzhi Fu,Guangshe Li,Jiaoxing Xu,Liping Li,Youjun Yan,Hui Wang,Xuxu Wang,Xianzhi Fu,Guangshe Li,Jiaoxing Xu,Liping Li,Youjun Yan,Hui Wang,Xuxu Wang,Xianzhi Fu,Guangshe Li,

High-purity anatase TiO(2) nanoparticles were prepared using a low-temperature sol-gel route. The as-prepared sample was characterized by X-ray diffraction, transmission electron microscopy, infrared spectroscopy, thermogravimetric analysis, UV-vis spectroscopy, and photoluminescence. It is shown that the as-prepared sample crystallized in a pure anatase phase with an average crystallite size of about 7 nm, and the surfaces were highly hydrated. These nanoparticles were stabilized as a water suspension via the cooperation of DLVO force and surface hydration force. These suspensions showed characteristic band-gap emission at 397+/-1.5 nm, which is a little red-shifted compared with the band-gap energy of indirect electronic transition measured in the UV-vis absorption spectrum. These observations were explained by the light-induced relaxation of polar water molecules in the surface hydration layer.

Synthesis and photoluminescence of well-dispersible anatase TiO(2) nanoparticles. Publishing Authors By Initials

J Xu,L Li,Y Yan,H Wang,X Wang,X Fu,G Li,J Xu,L Li,Y Yan,H Wang,X Wang,X Fu,G Li,J Xu,L Li,Y Yan,H Wang,X Wang,X Fu,G Li,

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Synthesis and photoluminescence of well-dispersible anatase TiO(2) nanoparticles. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of colloid and interface science

VOLUME: 318

Page Numbers: 29-34

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ISSN: 0021-9797

DAY: 7

MONTH: 11

YEAR: 2007

Synthesis and photoluminescence of well-dispersible anatase TiO(2) nanoparticles. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Synthesis and photoluminescence of well-dispersible anatase TiO(2) nanoparticles.

AFFILIATION: State Key Structural Chemistry Laboratory, Fujian Institute of Research on the Structure of Matter, Graduate School of Chinese Academy of Science, Fujian 350002, People's Republic of China.

Country: United States

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MEDLINETA: J Colloid Interface Sci

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