Large-scale synthesis of ZnO nanostructures by pulse electrochemical method and their photocatalytic properties. (15th March 2018)

• Record Type: Journal Article
• Authors: Ulyankina, Anna; Leontyev, Igor; Avramenko, Marina; Zhigunov, Denis; Smirnova, Nina
• Is Part Of: Materials science in semiconductor processing. Volume 76(2018)
• Page Start: 7
• Page End: 13
• Publication Date: 2018-03-15
• Subjects: ZnO -- Nanocrystalline materials -- Semiconductors -- Pulse alternating current -- Electrochemical synthesis -- Photocatalytic activity; Semiconductors -- Periodicals; Integrated circuits -- Materials -- Periodicals; Semiconducteurs -- Périodiques; Circuits intégrés -- Matériaux -- Périodiques; Electronic journals; 621.38152
• DOI: 10.1016/j.mssp.2017.12.011
• Languages: English
• ISSNs: 1369-8001

Abstract

Abstract: In this paper, we report a simple environment-friendly and large-scale approach to synthesis of highly crystalline zinc oxide nanostructures using pulse alternating current (PAC). The morphological results demonstrate flower-like architectures of nanoparticle-based and nanorod-based zinc oxide (ZnO-NPs and ZnO-NRs) obtained in KCl and NaCl as electrolytes. The photocatalytic activity of the obtained materials was performed in methylene blue dye degradation reaction under UV light irradiation. A high efficiency of ~ 90% within 60 min with excellent rate constant (k = 0.0386 min −1 ) was observed in the presence of ZnO-NPs synthesized in 2 M KCl which is attributed to the larger specific surface area (27 m 2 g −1 ), total pore volume and more defective structure.