Nanostructured ZnO hexagons and optical properties |
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| Authors: | J H Thorat K G Kanade L K Nikam P D Chaudhari B B Kale |
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| Affiliation: | (1) Department of Chemistry, Mahatma Phule College, Pimpri, Pune, 411 017, India;(2) Department of Chemistry, Annasaheb Awate College, Manchar, Pune, India;(3) Department of Chemistry, Baburaoji Gholap College, Sangvi, Pune, 411027, India;(4) Centre for Materials for Electronics Technology (C-MET), Off Pashan Road, Panchawati, Pune, 411 008, India; |
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| Abstract: | We report the solvothermal synthesis of nanostructured ZnO hexagons by hydrothermal method via intermediate zinc adipate.
The intermediate zinc adipate was obtained using precursors zinc acetate and adipic acid in aqueous and organic medium. Detailed
XRD analysis of the zinc adipate was studied for the first time. Thermal study of intermediate showed the formation of ZnO
at 400 °C. XRD study demonstrated the existence of wrutzite ZnO of high degree of crystallinity with crystallite size in the
range of 20–25 nm. Scanning Electron Microscopy (SEM) showed distinguished morphology in different medium. Transmission Electron
Microscopy (TEM) demonstrated nanostructured ZnO hexagons with average size 25–50 nm. The band gap for aqueous and organic
mediated ZnO was found to be 3.24 and 3.26 eV, respectively. The band gap obtained is higher than the bulk ZnO, which implies
nanocrystalline nature of the material. |
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