Zinc oxide nanoparticles prepared by thermal decomposition of zinc benzenepolycarboxylato precursors: Photoluminescent, photocatalytic and antimicrobial properties

Author:

Radovanovic Lidija1ORCID,Zdravkovic Jelena1ORCID,Simovic Bojana2ORCID,Radovanovic Zeljko1ORCID,Mihajlovski Katarina3ORCID,Dramicanin Miroslav4ORCID,Rogan Jelena3

Affiliation:

1. Innovation Centre of Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia

2. Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia

3. Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia

4. Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia

Abstract

Zinc oxide (ZnO) nanoparticles were obtained by thermal decomposition of one-dimensional zinc?benzenepolycarboxylato complexes as single- -source precursors at 450 ?C in an air atmosphere. The mechanism and kinetics of thermal degradation of zinc?benzenepolycarboxylato complexes were analyzed under non-isothermal conditions in an air atmosphere. The results of X-ray powder diffraction and field emission scanning electron microscopy revealed hexagonal wurtzite structure of ZnO with an average crystallite size in the range of 39?47 nm and similar morphology. The band gap and the specific surface area of ZnO nanoparticles were determined using UV?Vis diffuse reflectance spectroscopy and the Brunauer, Emmett and Teller method, respectively. The photoluminescent, photocatalytic and antimicrobial properties of the ZnO nanoparticles were also examined. The best photocatalytic activity in the degradation of C. I. Reactive Orange 16 dye was observed for the ZnO powder where the crystallites form the smallest agglomerates. All ZnO nanoparticles showed excellent inhibitory effect against Gram-positive bacterium Staphylococcus aureus and Gram-negative bacterium Escherichia coli.

Funder

Ministry of Education, Science and Technological Development of the Republic of Serbia

Publisher

National Library of Serbia

Subject

General Chemistry

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