Synthesis of highly ordered and worm-like mesoporous TiO2 assisted by tri-block copolymer

Chang Chih Sung; Kuan-Zong Fung; I. Ming Hung; Min Hsiung Hon

doi:10.1016/j.ssi.2008.03.044

Synthesis of highly ordered and worm-like mesoporous TiO₂ assisted by tri-block copolymer

Chang Chih Sung, Kuan-Zong Fung, I. Ming Hung, Min Hsiung Hon

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

A highly ordered and worm-like mesoporous TiO₂ materials have been prepared by evaporation-induced self-assembly method (EISA) using different concentrations of tri-block copolymer Pluronic F127 as a structure-directing agent and inorganic chlorides as precursors in a non-aqueous medium. The characterization of the mesoporous TiO₂ was carried out using small angle X-ray diffraction (SAXD), transmission electron microscopy (TEM) and N₂ adsorption/desorption. The well-ordered mesoporous TiO₂ showed average pore size of 2.8-3.7 nm and high specific area of 263 m²/g. From TEM observation, the pore pore-wall is composed of nano-crystalline TiO₂ domains after successfully synthesized at 573 K. The pore morphology changed from well-ordered to worm-like as the concentration of Pluronic F127 increased beyond 8.35%.

Original language	English
Pages (from-to)	1300-1304
Number of pages	5
Journal	Solid State Ionics
Volume	179
Issue number	27-32
DOIs	https://doi.org/10.1016/j.ssi.2008.03.044
Publication status	Published - 2008 Sep 30

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "Synthesis of highly ordered and worm-like mesoporous TiO2 assisted by tri-block copolymer",

abstract = "A highly ordered and worm-like mesoporous TiO2 materials have been prepared by evaporation-induced self-assembly method (EISA) using different concentrations of tri-block copolymer Pluronic F127 as a structure-directing agent and inorganic chlorides as precursors in a non-aqueous medium. The characterization of the mesoporous TiO2 was carried out using small angle X-ray diffraction (SAXD), transmission electron microscopy (TEM) and N2 adsorption/desorption. The well-ordered mesoporous TiO2 showed average pore size of 2.8-3.7 nm and high specific area of 263 m2/g. From TEM observation, the pore pore-wall is composed of nano-crystalline TiO2 domains after successfully synthesized at 573 K. The pore morphology changed from well-ordered to worm-like as the concentration of Pluronic F127 increased beyond 8.35%.",

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AU - Sung, Chang Chih

AU - Fung, Kuan-Zong

AU - Hung, I. Ming

AU - Hon, Min Hsiung

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Y1 - 2008/9/30

N2 - A highly ordered and worm-like mesoporous TiO2 materials have been prepared by evaporation-induced self-assembly method (EISA) using different concentrations of tri-block copolymer Pluronic F127 as a structure-directing agent and inorganic chlorides as precursors in a non-aqueous medium. The characterization of the mesoporous TiO2 was carried out using small angle X-ray diffraction (SAXD), transmission electron microscopy (TEM) and N2 adsorption/desorption. The well-ordered mesoporous TiO2 showed average pore size of 2.8-3.7 nm and high specific area of 263 m2/g. From TEM observation, the pore pore-wall is composed of nano-crystalline TiO2 domains after successfully synthesized at 573 K. The pore morphology changed from well-ordered to worm-like as the concentration of Pluronic F127 increased beyond 8.35%.

AB - A highly ordered and worm-like mesoporous TiO2 materials have been prepared by evaporation-induced self-assembly method (EISA) using different concentrations of tri-block copolymer Pluronic F127 as a structure-directing agent and inorganic chlorides as precursors in a non-aqueous medium. The characterization of the mesoporous TiO2 was carried out using small angle X-ray diffraction (SAXD), transmission electron microscopy (TEM) and N2 adsorption/desorption. The well-ordered mesoporous TiO2 showed average pore size of 2.8-3.7 nm and high specific area of 263 m2/g. From TEM observation, the pore pore-wall is composed of nano-crystalline TiO2 domains after successfully synthesized at 573 K. The pore morphology changed from well-ordered to worm-like as the concentration of Pluronic F127 increased beyond 8.35%.

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