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Synthesis of nano crystalline ZnO: Reusability and its morphological effect on catalytic activity, yield and time of the reaction

Ravikumar Naik, TR and Shivashankar, SA and Bindu, PJ (2020) Synthesis of nano crystalline ZnO: Reusability and its morphological effect on catalytic activity, yield and time of the reaction. In: Research Journal of Chemistry and Environment, 24 (12). pp. 36-39.

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Abstract

A green, efficient methodolgy was developed for the synthesis of ZnO nanoparticles in aqueous ethanol media in the presence of microwave irradiation. The in-house synthesized ZnO was used for the synthesis of 1,4-dihydropyridines. The target molecules were obtained in good to excellent yield applying the current method. After completion of the reaction we extracted the ZnO catalyst characterized by powder XRD and SEM analysis. The result indicates that no such change was observed in powder XRD but there is a remarkable change in the ZnO morphology. Further we repeated the similar experiment to know the catalytic behavior and its frequently changes in the ZnO nanoparticles. These results show that the reused crystalline ZnO morphology was changed and its particle size also increases. These factors influence on the catalytic activity, time and yield of the product. © 2020 World Research Association. All rights reserved.

Item Type: Journal Article
Publication: Research Journal of Chemistry and Environment
Publisher: World Research Association
Additional Information: Copyright to this article belongs to World Research Association
Keywords: aqueous solution; catalysis; catalyst; chemical reaction; detection method; experimental study; inorganic compound; nanoparticle; particle size
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited: 27 Jan 2021 10:15
Last Modified: 27 Jan 2021 10:15
URI: http://eprints.iisc.ac.in/id/eprint/67622

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