Titania nanoparticles synthesis in mesoporous molecular sieve MCM-41

N. B. Lihitkar, Majid Kazemian Abyaneh, V. Samuel, Renu Pasricha, S. W. Gosavi, S. K. Kulkarni

Research output: Contribution to journalArticle

Abstract

Nanocrystalline titanium oxide (TiO2) is one of the most useful oxide material, because of its widespread applications in photocatalysis, solar energy conversion, sensors and optoelectronics. The control of particle size and monodispersity of TiO2 nanoparticles is a challenging task. The use of MCM-41, an inorganic template of uniform pore size (2-10 nm), can overcome this difficulty and produce stable nanoparticles of uniform size and shape. Here, we demonstrate the synthesis of titania nanoparticles inside the pores of silica based MCM-41 forming a TiO2/Si-MCM composite. Composites are formed in the alcoholic medium by incipient wetness impregnation method. Titania particles of average 3 nm size are obtained. Effect of silica and titania precursors on the quality of nanoparticles has been investigated. The characterization of titania-MCM-41 composites has been carried out using a variety of techniques like UV-vis absorption spectroscopy, X-ray diffraction, FT-IR spectroscopy, X-ray photoelectron spectroscopy, transmission electron microscopy and photoluminescence spectroscopy. It has been found that the titania particles are co-ordinated with Si-MCM by Si{single bond}O{single bond}Ti covalent bond.

Original languageEnglish (US)
Pages (from-to)310-316
Number of pages7
JournalJournal of Colloid and Interface Science
Volume314
Issue number1
DOIs
StatePublished - Oct 1 2007

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Molecular sieves
Multicarrier modulation
Titanium
Nanoparticles
Composite materials
Silicon Dioxide
Silica
Covalent bonds
Photoluminescence spectroscopy
Photocatalysis
Titanium oxides
Ultraviolet spectroscopy
Absorption spectroscopy
Energy conversion
Impregnation
Optoelectronic devices
Solar energy
Pore size
Infrared spectroscopy
X ray photoelectron spectroscopy

Keywords

  • Incipient wetness impregnation
  • Mesoporous material
  • Template
  • Titania

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

Cite this

Titania nanoparticles synthesis in mesoporous molecular sieve MCM-41. / Lihitkar, N. B.; Abyaneh, Majid Kazemian; Samuel, V.; Pasricha, Renu; Gosavi, S. W.; Kulkarni, S. K.

In: Journal of Colloid and Interface Science, Vol. 314, No. 1, 01.10.2007, p. 310-316.

Research output: Contribution to journalArticle

Lihitkar, N. B. ; Abyaneh, Majid Kazemian ; Samuel, V. ; Pasricha, Renu ; Gosavi, S. W. ; Kulkarni, S. K. / Titania nanoparticles synthesis in mesoporous molecular sieve MCM-41. In: Journal of Colloid and Interface Science. 2007 ; Vol. 314, No. 1. pp. 310-316.
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