Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 622, Issue -, Pages 48-53Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2014.10.009
Keywords
Co-precipitation; Optical properties; Magnetic properties; SnO2; Nanoparticles
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Funding
- MNNIT through TEQIP-II Project
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The structural, optical and magnetic properties of SnO2 nanoparticles synthesized by co-precipitation technique at different calcination temperatures have been investigated. The calcination affects the luminescence and morphological properties of SnO2 nanoparticles. The defects and vacancies formed during synthesis processes which are responsible for photoluminescence and magnetic properties in SnO2 nanoparticles. The band gap shows a blue shift with increasing calcination temperature but shows a red shift compared to bulk SnO2. The calcination temperature affects the particle shape and size of the synthesized samples. The room temperature ferromagnetism has been observed which indicates SnO2 behave like a dilute magnetic semiconductor material (DMS). The photoluminescence (PL) emission spectra show the blue and green emissions at different calcination temperatures. (C) 2014 Elsevier B.V. All rights reserved.
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