Fabrication of TiO2/ZnO nanocomposites for solar energy driven photocatalysis. (April 2017)

• Record Type: Journal Article
• Authors: Prasannalakshmi, P.; Shanmugam, N.
• Is Part Of: Materials science in semiconductor processing. Volume 61(2017)
• Page Start: 114
• Page End: 124
• Publication Date: 2017-04
• Subjects: Nanocomposites -- Sol-gel process -- Pore size -- Pore volume -- Photocatalytic activity; Semiconductors -- Periodicals; Integrated circuits -- Materials -- Periodicals; Semiconducteurs -- Périodiques; Circuits intégrés -- Matériaux -- Périodiques; Electronic journals; 621.38152
• DOI: 10.1016/j.mssp.2017.01.008
• Languages: English
• ISSNs: 1369-8001

Abstract

Abstract: The facile sol-gel method was suggested to prepare the TiO2 /ZnO photocatalysts. For that, the nanocomposites of TiO2 /ZnO were prepared with different amounts of zinc and oxide precursors. The prepared products were characterised by XRD, FT-Raman, UV–vis DRS, TEM, EDX, BET, and EIS techniques. The photocatalytic response of TiO2 /ZnO nanocomposites was analysed for the degradation of the organic dyes brilliant green (BG), and methylene blue (MB) under solar light irradiation. As an outcome of increased surface area, rod-like morphology, low charge transfer resistance, and reduced band gap the composite of TiO2 /ZnO with an optimum level of zinc (0.25 M) and sulphur (0.5 M) contents showed enhanced photocatalytic activity in degrading the dyes BG and MB.