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All Journal Bulletin of Chemical Reaction Engineering & Catalysis Bulletin of Chemical Reaction Engineering & Catalysis
Mothi Krishna Mohan
Department of Sciences & Humanities, Christ University, Bangalore-560074, Karnataka
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Journal : Bulletin of Chemical Reaction Engineering

 1 
Enhanced Photocatalytic Activity of La3+ doped Bicrystalline Titania Prepared via Combustion method for the Degradation of Cationic dye Under Solar Illumination Radhika R Nair; Mothi Krishna Mohan; Sunaja Devi
Bulletin of Chemical Reaction Engineering & Catalysis 2018: BCREC Volume 13 Issue 1 Year 2018 (April 2018)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1084.625 KB) | DOI: 10.9767/bcrec.13.1.1427.119-126

Abstract

La3+ doped TiO2 photocatalysts were successfully synthesized by combustion method in the presence of urea and were characterized by various physico-chemical techniques. Further, the photocatalytic performance of the synthesized catalysts was monitored by photocatalytic degradation of synthetic cationic dye-Methylene Blue (MB) under solar illumination. The bicrystalline phase of anatase and rutile was confirmed by X-ray diffraction analysis. Moreover, the transformation from anatase to rutile phase proceeds at a slower rate in the La3+ doped TiO2 catalysts. Effective separation of charge carriers, a synergistic effect in the bicrystalline framework of anatase and rutile, smaller crystallite size, and higher concentration of surface adsorbed hydroxyl groups helped these catalysts to show improved activity for the dye degradation. 
Co-Authors Radhika R Nair Sunaja Devi