Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 581, Issue -, Pages 392-397Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.07.069
Keywords
TiO2 nanoparticles; Eriochrome Black T; Photocatalytic degradation
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Funding
- AICTE (RPS), Government of India [8023/RID/RPS-16/(POLICY-IV)(GOVT)/2011-12]
- Ministry of Higher Education, Kingdom of Saudi Arabia under the Promising Centre for Sensors and Electronic Devices (PCSED) at Najran University, Kingdom of Saudi Arabia [PCSED-001-11]
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Well-crystalline anatase TiO2 nanoparticles were prepared by facile solution process and characterized in terms of their morphological, structural, optical and photocatalytic properties. The detailed studies confirmed that the as-synthesized nanoparticles are well-crystalline, grown in high density and exhibiting good optical properties. For photocatalytic degradation, Eriochrome Black T (EBT) dye was used as a model compound and about 82% of photo-degradation of EBT dye was achieved in 90 min under UV light irradiation. The kinetic studies revealed that EBT photo-degradation follows pseudo-first order reaction kinetics and rate constant was found to be 0.017 min(-1). In addition to this, by comparing the photocatalytic performance with other commercially available catalysts (PC-50, PC-500, commercial ZnO), it was observed that the as-synthesized TiO2 nanoparticles exhibited superior photocatalytic performance. (C) 2013 Elsevier B. V. All rights reserved.
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