Synthesis of Ag/ZnO Photocatalysts for the Photodegradation of Methyl Orange Dye

Abdul Halim Abdullah; Elisa Rasouli; Ernee Noryana Muhamad; Pooneh Kia

doi:10.37934/jrnn.2.1.6169

Authors

Abdul Halim Abdullah Materials Synthesis and Characterization Laboratory, Institute of Advanced Technology, University Putra Malaysia, 43400, Serdang, Selangor, Malaysia
Elisa Rasouli Nanotechnology & Catalysis Research Centre, Institute of Postgraduate Studies, University of Malaya, 50603, Kuala Lumpur, Malaysia
Ernee Noryana Muhamad Department of Chemistry, Faculty of Science, University Putra Malaysia, 43400, Serdang, Selangor, Malaysia
Pooneh Kia Institute of Bioscience, University Putra Malaysia, Serdang 4300, Selangor, Malaysia

DOI:

https://doi.org/10.37934/jrnn.2.1.6169

Keywords:

Dye, Methyl Orange, Precipitation-irradiation method, Photocatalysis

Abstract

ZnO and a series of Ag/ZnO photocatalysts were prepared by a precipitation- irradiation method and their photocatalytic performance in photodegradation of methyl orange dye was evaluated. The physicochemical properties of the catalysts were characterized by various characterization techniques. The photocatalysts have a hexagonal phase and were highly agglomerated. TEM images showed a change in morphology of ZnO from rod to nearly spherical with the addition of Ag. Ag/ZnO catalysts exhibited better photocatalytic activity in the degradation of methyl orange compared to pure ZnO. Ag/ZnO contains 2% silver shows the best performance as photocatalyst.

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