ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): N. Uma Sangari

Email(s): umasangariselvakumar@gmail.com

DOI: 10.5958/0974-4150.2018.00121.9   

Address: N. Uma Sangari*
The Standard Fireworks Rajaratnam College For Women, Sivakasi
*Corresponding Author

Published In:   Volume - 11,      Issue - 3,     Year - 2018


ABSTRACT:
Waste water effluents coming from textile and other dyestuff industries create increasing environmental hazard. These effluents will pose serious effects to the aquatic ecosystem, if they haven’t properly treated before discharging into water stream. Hence, it is necessary to evolve immediate steps to control water pollution and safeguard our environment and mankind. Heterogeneous photocatalysis offers several advantages as it requires no special reagents, critical experimental set up and reaction conditions.Zinc oxide and titanium dioxide are the most widely used photocatalysts. They are photo-stable, non-toxic and commercially available at low-cost. Hence we reviewed the literature available on the various methodologies applied to the synthesis of ZnO and TiO2, the different attempts made to enhance the catalytic activity by the modification of catalyst’s surface through doping of metal and non-metal, metal coating, surface sensitization and their application in the removal of dyes, pesticides and metal ions, mechanism of TiO2/UV photocatalysis and surface modification of photocatalysts by ß-Cyclodextrin (ß-CD) to enhance their UV, visible and solar light driven catalytic activity.


Cite this article:
N. Uma Sangari. A Brief Review on the Applications of ZnO and Tio2 in Photocatalysis and their Modification with β-Cyclodextrin. Asian J. Research Chem.2018; 11(3): 681-690 doi: 10.5958/0974-4150.2018.00121.9


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DOI: 10.5958/0974-4150 

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