Interfacial synthesis of hollow TiO2 microspheres in ionic liquids.

Interfacial synthesis of hollow TiO2 microspheres in ionic liquids. Research Abstract Details 

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Interfacial synthesis of hollow TiO2 microspheres in ionic liquids. Abstract Text:

Takuya Nakashima,Nobuo Kimizuka,

An interfacial sol-gel synthesis of inorganic hollow microspheres in room-temperature ionic liquids is newly developed. When metal alkoxides such as titanium tetrabutoxide, Ti(OBu)4, are dissolved in anhydrous toluene and injected into 1-buthyl-3-methylimidazolium hexafluorophosphate ([C4mim]PF6) under vigorous stirring, hollow titania microspheres are formed. The present technique is widely applicable to the reactive metal alkoxides such as Zr(OBu)4, Hf(OBu)4, Nb(OBu)4, and InSn3(OR)x, giving a general route to the metal oxide microspheres. When gold nanoparicles and carboxylate-containing dyes such as fluorescein isothiocyanate (FITC) are dissolved in the toluene microdroplets, they are stably immobilized in the microsphere shells. Calcination of the titania gel microspheres gives anatase TiO2 microspheres. The present method provides the first example of inorganic hollow microspheres formed in ionic liquids, and the ability to modify microspheres with metal nanoparticles or functional organic molecules would be widely applied to the design of smart organic/inorganic hybrid materials.

Interfacial synthesis of hollow TiO2 microspheres in ionic liquids. Publishing Authors By Initials

T Nakashima,N Kimizuka,

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Interfacial synthesis of hollow TiO2 microspheres in ionic liquids. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of the American Chemical Society

VOLUME: 125

Page Numbers: 6386-7

Journal Abbreviation: J. Am. Chem. Soc.

ISSN: 0002-7863

DAY: 28

MONTH: May

YEAR: 2003

Interfacial synthesis of hollow TiO2 microspheres in ionic liquids. Information

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LANGUAGE: eng

NlmUniqueID: 7503056

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Grant and Affiliation Information for Interfacial synthesis of hollow TiO2 microspheres in ionic liquids.

AFFILIATION: Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka 812-8581, Japan.

Country: United States

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MEDLINETA: J Am Chem Soc

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