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Title: Synthesis and characterization of sol-gel derived ZnS : Mn2+ nanocrystallites embedded in a silica matrix
Authors: Bhattacharjee, B
Ganguli, D
Iakoubovskii, Konstantin
Stesmans, Andre
Chaudhuri, S #
Issue Date: Jun-2002
Publisher: Indian academy sciences
Series Title: Bulletin of materials science vol:25 issue:3 pages:175-180
Abstract: Synthesis and characterization of undoped and Mn2+ doped ZnS nanocrystallites (radius 2-3 nm) embedded in a partially densified silica gel matrix are presented. Optical transmittance, photoluminescence (PL), ellipsometric and electron spin resonance measurements revealed manifestation of quantum size effect. PL spectra recorded at room temperature revealed broad blue emission signal centred at similar to420 nm and Mn2+ related yellow-orange band centred at similar to590 nm while ESR indicated that Mn in ZnS was present as dispersed impurity rather than Mn cluster.
ISSN: 0250-4707
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Semiconductor Physics Section
# (joint) last author

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