Efficient Photocatalytic Degradation of Salicylic Acid by Bactericidal ZnO 


Vol. 56,  No. 1, pp. 108-114, Feb.  2012
10.5012/jkcs.2012.56.1.108


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  Abstract

Salicylic acid degrades at different rates under UV-A light on TiO2, ZnO, CuO, Fe2O3, Fe3O4 and ZrO2 nanocrystals and all the oxides exhibit sustainable photocatalysis. While ZnO-photocatalysis displays Langmuir-Hinshelwood kinetics the others follow first order on [salicylic acid]. The degradation on all the oxides enhance with illumination intensity. Dissolved oxygen is essential for the photodegradation. ZnO is the most efficient photocatalyst to degrade salicylic acid. Besides serving as the effective photocatalyst to degrade salicylic acid it also acts as a bactericide and inactivates E.coli even in absence of direct light.

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  Cite this article

[IEEE Style]

C. Karunakaran, B. Naufal, P. Gomathisankar, "Efficient Photocatalytic Degradation of Salicylic Acid by Bactericidal ZnO," Journal of the Korean Chemical Society, vol. 56, no. 1, pp. 108-114, 2012. DOI: 10.5012/jkcs.2012.56.1.108.

[ACM Style]

Chockalingam Karunakaran, Binu Naufal, and Paramasivan Gomathisankar. 2012. Efficient Photocatalytic Degradation of Salicylic Acid by Bactericidal ZnO. Journal of the Korean Chemical Society, 56, 1, (2012), 108-114. DOI: 10.5012/jkcs.2012.56.1.108.

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ISSN(Print) 1017-2548
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