Kinetics and synthesis of Ag2O nanoparticles by calcination and γ-irradiation of silver acetate

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dc.contributor.authorMahfouz, Refaat M.
dc.date.accessioned2018-01-24T11:27:50Z
dc.date.available2018-01-24T11:27:50Z
dc.date.issued2016-03-23
dc.description.abstractKinetic studies for the non-isothermal decomposition of unirradiated and γ-irradiated silver acetate with 103 kGy total γ-ray doses were carried out in air. The results showed that the decomposition proceeds in one major step in the temperature range of (180–270 °C) with the formation of Ag2O as solid residue. The non-isothermal data for un-irradiated and γ-irradiated silver acetate were analyzed using Flynn-Wall-Ozawa (FWO) and nonlinear Vyazovkin (VYZ) isoconversional methods. These free models on the investigated data showed a systematic dependence of Ea on γ indicating a simple decomposition process. No significant changes in the thermal decomposition behavior of silver acetate were recorded as a result of γ-irradiation. Calcinations of γ-irradiated silver acetate (CH3COOAg) at 200 °C for 2 hours only led to the formation of pure Ag2O monodispersed nanoparticles. X-ray diffraction, FTIR and SEM techniques were employed for characterization of the synthesized nanoparticlesen_US
dc.identifier.urihttps://hdl.handle.net/20.500.11888/13037
dc.language.isoenen_US
dc.subjectnon-isothermal decompositionen_US
dc.subjectγ-irradiationen_US
dc.subjectsilver oxideen_US
dc.subjectnanoparticlesen_US
dc.titleKinetics and synthesis of Ag2O nanoparticles by calcination and γ-irradiation of silver acetateen_US
dc.typeArticleen_US
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Second Palestinian International Conference on Material Science and Nanotechnology (PICNM2016)