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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/4559

Title: Energy bandstructureinvestigationofblueandgreenlightemitting Mg dopedSnO2 nanostructuressynthesizedbycombustionmethod
Authors: Junaid, Bushiri M
Shajira, P S
Bini, Nair B
GaneshchandraPrabhu, V
Keywords: SnO2
Combustion
Photoluminescence
Defect
Band structure
Issue Date: 14-Aug-2013
Publisher: Elsevier
Abstract: Tin oxide(SnO2) andMgdoped(2,4,6,and8wt%)SnO2 nanoparticles weresynthesizedbytheself- propagating solutioncombustionsynthesisusingcitricacidasfuel.Thecharacterizationofsampleswas done byX-raydiffractionspectroscopy(XRD),transmissionelectronmicroscopy(TEM),UV–visible spectroscopy,SAEDandphotoluminescence(PL).XRDpatternandTEMstudiesshowthatthe synthesized particlesareofaveragesize30nmandtheyareintetragonalrutilestructureofSnO2. Combined blueandgreenemissionisseenin4wt%MgdopedSnO2 and intensityofbluebandis increased withrespecttoincreaseinMgdopantconcentrationwhichisattributedtoincreasein population ofoxygenvacancies.ThePLemissioninblueandgreenregionisduetothedoublycharged state (Vo 2þ) ofoxygenandtininterstitialdefectsrespectivelyandisexplainedwithanenergyband diagram
Description: Journal of Luminescence 145(2014)425–429
URI: http://dyuthi.cusat.ac.in/purl/4559
Appears in Collections:Dr.Junaid Bushiri M

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