Abstract
Electroluminescent behaviour of ZnO-CdS alloy systems incorporating copper as activator and bromine or aluminium separately as the donor impurity, has been investigated. Binary solid solutions, with different proportional composition by weight of the two compounds ZnO and CdS, have been formed in an atmosphere of pure nitrogen through heat treatment.The peaks of electroluminescent emission have been found to shift progressively from blue to orange, with stepwise rise in the proportional contents of CdS in the phosphor matrix.
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