Syntheses of zirconium-containing titania particles with spherical morphology and uniform size by microfluidic reactions

Kota Shiba, Makoto Ogawa

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Monodispersed spherical particles of zirconium-containing titania-octadecylamine with the size of 300400nm and CV value of around 5% were synthesized by a solgel reaction in the microreactor. Octadecylamine played a roll as a porogen as well as morphological template of spherical particles. The incorporation of zirconium was confirmed by SEM, TG-DTA, XRD and XRF. The hybrids were converted to nanoporous particles without morphological alteration which had the specific surface area of 300m2·g-1 after removing the porogen (octadecylamine) and that of 60m2· g-1 after subsequent heat treatment at 600°C, while non-porous products formed by calcination at 600°C without washing with hydrochloric acid/ethanol mixture to remove octadecylamine.

Original languageEnglish
Pages (from-to)507-512
Number of pages6
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume119
Issue number1390
Publication statusPublished - 2011 Jun

Fingerprint

Microfluidics
Zirconium
titanium
Titanium
Hydrochloric acid
synthesis
Washing
Specific surface area
Calcination
Differential thermal analysis
Ethanol
Heat treatment
hydrochloric acid
washing
roasting
Scanning electron microscopy
Hydrochloric Acid
thermal analysis
ethyl alcohol
heat treatment

Keywords

  • Hybrid
  • Microreactor
  • Monodispersed
  • Nanoporous
  • Spherical
  • Titania
  • Zirconium

ASJC Scopus subject areas

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

Cite this

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abstract = "Monodispersed spherical particles of zirconium-containing titania-octadecylamine with the size of 300400nm and CV value of around 5{\%} were synthesized by a solgel reaction in the microreactor. Octadecylamine played a roll as a porogen as well as morphological template of spherical particles. The incorporation of zirconium was confirmed by SEM, TG-DTA, XRD and XRF. The hybrids were converted to nanoporous particles without morphological alteration which had the specific surface area of 300m2·g-1 after removing the porogen (octadecylamine) and that of 60m2· g-1 after subsequent heat treatment at 600°C, while non-porous products formed by calcination at 600°C without washing with hydrochloric acid/ethanol mixture to remove octadecylamine.",
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AU - Ogawa, Makoto

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