Journal
MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS
Volume 17, Issue 2, Pages 346-351Publisher
UNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS
DOI: 10.1590/S1516-14392014005000019
Keywords
-irra, gamma; In2O3; sol-gel process
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Funding
- research center of the center for the female scientific and medical colleges in King Saud University
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Pure phase of In2O3 nanoparticles were synthesized by sol-gel method in non- aqueous medium using un-irradiated and gamma-irradiated indium acetate precursors. The as-prepared In2O3 nanoparticles were characterized by XRD, FT-IR, SEM, TEM and TG techniques. The results showed that preirradiation to indium acetate with 102 KGy gamma-ray absorbed dose has significant effects on the shape and size of the as-synthesized In2O3 nanoparticles. In case of un-irradiated precursor, the SEM images show agglomerated and disordered spherical nanoparticles. In gamma-irradiated case the particles showed coral-like structure. The as-synthesized In2O3 nanoparticles prepared using gamma-irradiated precursor showed higher thermal stability compared with those prepared using un-irradiated one. The results were discussed in view of the role of gamma-irradiation on the morphology and thermal behavior of In2O3 nanoparticles.
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