Abstract
In this work, the ZnO-TiO2 mixed phase nanoparticles were prepared by solid state reaction method by using ZnO and TiO2 powder as precursors. The X-ray diffraction pattern shows a dominant phase of Zinc Orthotitanate (Zn2TiO4). The average particle size (58?18 nm) calculated by the analysing FESEM data closely matches with the particle size calculated by Scherrer?s equation. The calculated average particle size is significantly smaller than the previously published results of nanoparticles, prepared by same method. In the Brunauer-Emmett-Teller (BET) study the specific surface area of the nanoparticles was found as 8.78 m2/g which is similar to the surface area reported in this material prepared by mechanochemical method. The method which we report is simpler and cost effective unlike the previous reported.
Highlights
Nanostructures of TiO2 and ZnO are widely used materials for various photonic applications
We have demonstrated the growth of extremely low dimensional Zn2TiO4 nanoparticles by solid state reaction method and compared with previously published results [5]
Solid state reaction method was used for growth of ZnO-TiO2 nanoparticles.TiO2 (Product No 28375, Fisher Scientific, purity: 98.99 %) and ZnO (Product No.28975, Fisher Scientific, purity: 98.99 %) powders were taken as the precursors for this growth
Summary
Nanostructures of TiO2 and ZnO are widely used materials for various photonic applications. It has been observed that their titanate compound Zinc Orthotitanate (Zn2TiO4) nanostructures show superior behaviour in these applications due to enhance charge separation capability [1]. Zn2TiO4 has been tested for efficient organic dye decomposition [4,5,6]. These nanoparticles have been investigated for dye sensitized solar cell and as a good dielectric material for microwave devices in area of mobile telephones, satellite communication and detection of ethanol vapour applications [7,8,9,10,11,12]. We have demonstrated the growth of extremely low dimensional Zn2TiO4 nanoparticles by solid state reaction method and compared with previously published results [5]
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