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Author(s): Sachchidanand Shukla, Geeta Singh, Laxmi Kant Singh

Email(s): Email ID Not Available

Address: Department of Solid State Physics and Electronics, Avadh Unlversity. Faizabad-224001

Published In:   Volume - 5,      Issue - 1,     Year - 1992

ABSTRACT:
The hydrogen coactivated ZnS phosphors with constant copper concentration and varying manganese concentrations show photoluminescence with colour varying from blue-green to yellow orange range under excitation by 3650 AW-radiation. The yellow band associated with Mn-transitions dominates at higher Mn- concentrations while green emission due to copper almost disappears for higher Mn-concentration.The photoluminescent output is studied as a function of temperature. The samples were also found to exhibit photoconductivity. The presence of coactivators like chlorine and hydrogen has been observed as pre-requisites for photoconductive and photoiuminesence.

Cite this article:
Shukla, Singh and Singh (1992). Photoluminascence Of Doubly Activated ZnS Phosphors. Journal of Ravishankar University (Part-B: Science), 5(1), pp.177-184.


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