Influence of reaction time and synthesis temperature on the physical properties of ZnO nanoparticles synthesized by the hydrothermal method

Wasly, H.S. and Abd El-Sadek, M.S. and Henini, M. (2018) Influence of reaction time and synthesis temperature on the physical properties of ZnO nanoparticles synthesized by the hydrothermal method. Applied Physics A, 124 (76). ISSN 1432-0630

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Abstract

Influence of synthesis temperature and reaction time on the structural and optical properties of ZnO nanoparticles synthesized by the hydrothermal method was investigated using X-ray diffraction (XRD), high resolution transmission electron microscopy (HR-TEM), energy-dispersive X-ray, Fourier transform infra-red spectroscopy, and UV–visible and fluorescence spectroscopy. The XRD pattern and HR-TEM images confirmed the presence of crystalline hexagonal wurtzite ZnO nanoparticles with average crystallite size in the range 30–40 nm. Their energy gap determined by fluorescence was found to depend on the synthesis temperature and reaction time with values in the range 2.90–3.78 eV. Thermal analysis, thermogravimetric and the differential scanning calorimetry were used to study the thermal reactions and weight loss with heat of the prepared ZnO nanoparticles.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/903191
Additional Information: This is a post-peer-review, pre-copyedit version of an article published in Applied Physics A. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00339-017-1482-4.
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: https://doi.org/10.1007/s00339-017-1482-4
Depositing User: Henini, Mohamed
Date Deposited: 15 Jan 2018 13:46
Last Modified: 04 May 2020 19:25
URI: http://eprints.nottingham.ac.uk/id/eprint/49084

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