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Photo catalytic degradation of methylene blue by Ag incorporated TiO2 nanocrystals prepared at different pH conditions

N. M. GANESAN1,* , N. MUTHUKUMARASAMY2, R. BALASUNDARAPRABHU3, T. S. SENTHIL1

Affiliation

  1. Department of Physics, Erode Sengunthar Engineering College, Erode
  2. Department of Physics, Coimbatore Institute of Technology, Coimbatore
  3. Department of Physics, P.S.G. College of Technology, Coimbatore

Abstract

TiO2 nanocrystals were synthesized under three different pH conditions by simple sol gel method. Silver is incorporated into the prepared TiO2 nanocrystals by liquid impregnation method. The properties of the Ag incorporated TiO2 nanocrystals were studied using XRD, SEM, EDX and UV-Visible spectroscopy. The photo catalytic activity of Ag incorporated TiO2 nanocrystal has been investigated for methylene blue dye. The irradiation time, pH conditions of the synthesized TiO2 nanocrystals were taken into account for the photo catalytic degradation process. The optimum irradiation time and pH condition of Ag incorporated TiO2 nanocrystals were found to be 3 hours and pH=10.6 respectively..

Keywords

Ag incorporated TiO2, photo catalytic, Liquid impregnation.

Citation

N. M. GANESAN, N. MUTHUKUMARASAMY, R. BALASUNDARAPRABHU, T. S. SENTHIL, Photo catalytic degradation of methylene blue by Ag incorporated TiO2 nanocrystals prepared at different pH conditions, Optoelectronics and Advanced Materials - Rapid Communications, 8, 5-6, May-June 2014, pp.581-586 (2014).

Submitted at: Oct. 5, 2012

Accepted at: May 15, 2014