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 journalArticle

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 languageEnglish
Pages (from-to)537-541
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume117
Issue number1364
DOIs
Publication statusPublished - Jan 1 2009

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Particles (particulate matter)
Sol-gels
gels
Processing
Ethanol
Crystalline materials
Water
crystallinity
ethyl alcohol
amino-propyl-triethoxysilane
water

All Science Journal Classification (ASJC) codes

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

Cite this

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, 01.01.2009, p. 537-541.

Research output: Contribution to journalArticle

Chen, Song ; Osaka, Akiyoshi ; Hayakawa, Satoshi ; Shirosaki, Yuki ; Fujii, Eiji ; Kawabata, Koji ; Tsuru, Kanji. / Structure and morphology of aminopropyltriethoxysilane-modified TiO 2 nano-particles derived from sol-gel processing of tetraethylorthotitanate. In: Journal of the Ceramic Society of Japan. 2009 ; Vol. 117, No. 1364. pp. 537-541.
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