Sol-gel titanium dioxide nanoparticles: Preparation and structural characterization

Oon Lee Kang, Azizan Ahmad, Usman Ali Rana, Nur Hasyareeda Hassan

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Titanium dioxide (TiO2) nanoparticle was achieved in an alternative sol-gel route, as involved in 1 M acidic solution: HCl-tetrahydrofuran (HCl-THF), HNO3-tetrahydrofuran (HNO3-THF), and ClHNO2-tetrahydrofuran (ClHNO2-THF) solution. Resultant TiO2 nanoparticle was further investigated in a systematic analytical approach. Nanoscale TiO2 structure was observed at a moderate hydrolysis ratio (8≤RH≤16). Particle size range was much narrower in an aprotic HNO3-THF medium, as compared to a differential HCl-THF medium. Biphasic TiO2 structure was detected at a certain hydrolysis ratio (RH≥16). Even so, relative anatase content was rather insignificant in an aprotic HCl-THF medium, as compared to a differential HNO3-THF medium. Tetragonal TiO2 structure was observed in the entire hydrolysis ratio (4≤RH≤32). Interstitial lattice defect was evident in an aprotic HNO3-THF medium but absent in a differential ClHNO2-THF medium.

Original languageEnglish
Article number5375939
JournalJournal of Nanotechnology
Volume2016
DOIs
Publication statusPublished - 2016

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Titanium dioxide
Sol-gels
Hydrolysis
Nanoparticles
Crystal defects
Particle size
titanium dioxide
tetrahydrofuran

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Sol-gel titanium dioxide nanoparticles : Preparation and structural characterization. / Kang, Oon Lee; Ahmad, Azizan; Rana, Usman Ali; Hassan, Nur Hasyareeda.

In: Journal of Nanotechnology, Vol. 2016, 5375939, 2016.

Research output: Contribution to journalArticle

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