A brief review on the techniques used for the enhancement of luminescence of red emitting thin film
Department of Physics, Kannur University, Kannur, India
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Received in final form: 14 January 2020
Accepted: 17 March 2020
Published online: 12 May 2020
In the past few years, red emitting thin film activated by Eu3+ has received much attention. Europium has a peculiar property that it exhibits both types of emission on the basis of their valencies. In this review, we try to make a full list of known methods which may be useful for the enhancement of luminescence. It has been found that luminescence can be enhanced by increasing substrate temperature, film roughness, changing the morphology etc. Finally we discuss the mechanism of co-doping with different elements for the enhancement of luminescence.
© EDP Sciences, 2020