Structure and morphology of aminopropyltriethoxysilane-modified TiO 2 nano-particles derived from sol-gel processing of tetraethylorthotitanate

Song Chen; Akiyoshi Osaka; Satoshi Hayakawa; Yuki Shirosaki; Eiji Fujii; Koji Kawabata; Kanji Tsuru

doi:10.2109/jcersj2.117.537

Structure and morphology of aminopropyltriethoxysilane-modified TiO ₂ nano-particles derived from sol-gel processing of tetraethylorthotitanate

Song Chen, Akiyoshi Osaka, Satoshi Hayakawa, Yuki Shirosaki, Eiji Fujii, Koji Kawabata, Kanji Tsuru

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

Abstract

Amino-modified TiO₂ particles were derived from precursor mixtures of tetraethylorthotitanate and aminopropyltriethoxysilane (APTES) that both were dissolved in ethanol/water solution. Size, morphology, crystalline structures, and formation mechanism of the particles were discussed in terms of the APTES amount and the pH value in the solution. The addition of APTES resulted in amorphous amino-modified TiO2 particles. The low crystallinity in the final particles was attributed to the polar amino groups.

Original language	English
Pages (from-to)	537-541
Number of pages	5
Journal	Journal of the Ceramic Society of Japan
Volume	117
Issue number	1364
DOIs	https://doi.org/10.2109/jcersj2.117.537
Publication status	Published - Apr 2009

Keywords

APTES
Amorphous
Anatase
Chelation
Sol-gel
Titania

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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Structure and morphology of aminopropyltriethoxysilane-modified TiO ₂ nano-particles derived from sol-gel processing of tetraethylorthotitanate. / Chen, Song; Osaka, Akiyoshi; Hayakawa, Satoshi; Shirosaki, Yuki; Fujii, Eiji; Kawabata, Koji; Tsuru, Kanji.

In: Journal of the Ceramic Society of Japan, Vol. 117, No. 1364, 04.2009, p. 537-541.

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

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