Large Scale Synthesis of ZnO Nanostructures of Different Morphologies through Solvent-free Mechanochemical Synthesis and their Application in Photocatalytic Dye Degradation
Journal Title: American Journal of Engineering and Applied Sciences - Year 2016, Vol 9, Issue 1
Abstract
Large Scale Synthesis of ZnO Nanostructures of Different Morphologies through Solvent-free Mechanochemical Synthesis and their Application in Photocatalytic Dye Degradation Raúl Sánchez Zeferino, Jesús Alberto Ramos Ramón, Ma. Eunice de Anda Reyes, Rutilo Silva González and Umapada Pal DOI : 10.3844/ajeassp.2016.41.52 American Journal of Engineering and Applied Sciences Volume 9, Issue 1 Pages 41-52 Abstract Well crystalline, near-stoichiometric zinc oxide nanostructures of different morphologies are fabricated in large scale, utilizing a simple, cost effective mechanochemical synthesis in absence of solvent. Effects of ionic and nonionic surfactants along with the concentration of hydrolyzing agent on the evolution of nanostructure morphology have been studied. It has been observed that while a cationic surfactant such as Cetyltrimethylammonium Bromide (CTAB) favors the nanostructures to growth along their polar c-axis, a nonionic surfactant such as Polyvinylpyrrolidone (PVP) reduces their preferred c-axis growth. Increase of hydrolyzing agent in the reaction mixture enhances the growth rate of the nanostructures. The nanostructures have been tested for photodegradation of anionic dye molecules such as Methylene Blue (MB). All the nanostructures manifest high photocatalytic performance. Apart from morphology, the specific surface area, crystal plane orientation and the concentration of basic sites at surface are seen to contribute significantly to the photocatalytic performance of the zinc oxide nanostructures. Copyright © 2016 Raúl Sánchez Zeferino, Jesús Alberto Ramos Ramón, Ma. Eunice de Anda Reyes, Rutilo Silva González and Umapada Pal. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. http://thescipub.com/abstract/10.3844/ajeassp.2016.41.52
Authors and Affiliations
Raúl Sánchez Zeferino, Jesús Alberto Ramos Ramón, Ma. Eunice de Anda Reyes, Rutilo Silva González, Umapada Pal
Keywords
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- EP ID EP203956
- DOI 10.3844/ajeassp.2016.41.52
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