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Author(s): Sachchidanand Shukla, Ramesh Chandra Tiwari, Laxmi Kant Singh

Email(s): Email ID Not Available

Address: Department of Solid State Physics & Electronics, Avadh University, Faizabad·224001

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


Cite this article:
Shukla, Tiwari and singh (1992). Radiation Controlled Electroluminescence In Double Band Emitting Zno-Base Electroluminophors. Journal of Ravishankar University (Part-B: Science), 5(1), pp.185-191.



Journal of  Ravishankar University  Vol. 4-5  No. B (Science)1991-92  pp.185-191  ISSN  0970 5910

Radiation Controlled Electroluminescence In Double Band Emitting Zno-Base Electroluminophors

Sachchidanand Shukla, Ramesh Chandra Tiwari and Laxmi Kantsingh

Department of Solid State Physics & Electronics, Avadh University, Faizabad·224001

Ms:  Received: 29/2/92 Revised:   11.11.92.

Abstract. Enhancement effect in double band emitting ZnO:Cu,M(H)  eleotroluminophors, under the concurrent excitation of a.c. field and UV- radiation (3650 A°) has been investigated. The emissions in green and yellow regions were found to show enhancement at low frequencies (in 1he voltage range of 200-700 volts) of excitation field. While at high frequencies the quenching was observed. The maximum enhancement ratio was found to be always less than 1.33.  The enhancement effect is found significant for yellow emission of electroluminophor with increasing excitation voltage of field and manganese concentration in presence of constant UV- radiation.

Key words: Electroluminescence, ZnO electroluminophors.

NOTE: Full version of this manuscript is available in PDF.



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