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Please use this identifier to cite or link to this item: http://purl.org/purl/2504

Title: Effect of chlorine concentration on the spectral characteristics of electroluminescence in ZnS: Cu: Cl phosphor
Authors: Pillai, S M
Vallabhan, C P G
Issue Date: 1983
Publisher: Solid State Communications
Abstract: ZnS: Cu: Cl phosphor prepared under a vacuum firing process is found to give blue electroluminescence with emission peak at 460 nm which remams unaltered with the frequency of the excitation voltage. Addition of excess chlorine in the phosphor gives blue, green and red emission at 460, 520 and 640 run. The intensity of the blue band decreases and It fmally disappears as chlorine concentration is increased. A scheme involving three energy levels attributed to Cu2+, Cu+ and Cl- centres in Zns explains the experimental results completely.
URI: http://dyuthi.cusat.ac.in/purl/2504
Appears in Collections:Dr.C P Girijavallabhan

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