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A facile preparation of nanosized Zno and its use in photocatalytic decolorization of methyl orange

Sapawe, Norzahir and Jaafar, Nur Farhana and Hairom, Nur Hanis Hayati and Satar, Mohammad Azrul Hisham and Ariffin, Md. Noor and Triwahyono, Sugeng and Abdul Jalil, Aishah (2008) A facile preparation of nanosized Zno and its use in photocatalytic decolorization of methyl orange. Journal of Fundamental Sciences, 7 (1). pp. 19-23. ISSN 1823626X

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Abstract

Nanoparticles zinc metal was prepared by a simple electrochemical method of a N,N-dimethylformamide solution containing 0.1M tetraethylammonium perchlorate in the presence of naphthalene as a mediator in a one-compartment cell fitted with a platinum plate cathode and a zinc plate anode at 60 mA/cm2 of constant current under a nitrogen atmosphere. The prepared zinc oxide (ZnOelec) was characterized by FE-SEM, TEM, XRD, nitrogen-sorption and DRUV spectrophotometer, which confirmed that the particles of ZnOelec are composed of pure nanosized ZnO with a large surface area and majority of particle size was less than 20 nm. The particles size of the ZnOelec affected its photoactivity, which clearly observed when it was tested on a decolorization of methyl orange under UV illumination. By using ZnOelec, 50% of higher removal percentage of MO was achieved compared to commercial zinc, which only gave 30% after 30 min of contact time. These result shows that ZnOelec has a great potential to be used as a catalyst for the photocatalytic decolorization of industrial dyes wastewater.

Item Type:Article
Uncontrolled Keywords:electrosynthesis, nanosized Zno, photocatalytic, decolorization, methyl orange
Subjects:Q Science > Q Science (General)
Divisions:Science
ID Code:37907
Deposited By: Liza Porijo
Deposited On:30 Apr 2014 07:50
Last Modified:12 Mar 2017 01:30

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