|
Dyuthi @ CUSAT >
e-SCHOLARSHIP >
Physics >
Faculty >
Dr.Junaid Bushiri M >
Please use this identifier to cite or link to this item:
http://purl.org/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
|
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
|
