Rai, Virendra Kumar and Srivastava, Ritu and Chauhan, Gayatri and Saxena, Kanchan and Chand, Suresh and Kamalasanan, M. N. (2008) Trap Assisted Carrier Recombination in 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran Doped Bis[2-(2-hydroxyphenyl)bezoxazolate] Zinc. Japanese Journal of Applied Physics , 47 (5). pp. 3408-3411. ISSN 1347-4065

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Abstract

The energy transfer mechanism has been studied in 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyram (DCM) doped zinc complex bis[2-(2-hydroxyphenyl) bezoxazolate]zinc [Zn(hpb)2]. The photoluminescence of the zinc complex and the optical absorption of the dye molecule have been found to have a large overlap favoring Förster mechanism for energy transfer from the host to the dye molecule. The photoluminescence of the host–guest system has been assigned to Förster type energy transfer where as the electroluminescence has been found to be dominated by trap assisted recombination and subsequent decay of excitons. The charge carrier trapping has been supported by electrical transport studies.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/s Japan Society of Applied Physics.
Subjects:	Physics
Divisions:	UNSPECIFIED
Depositing User:	Ms Neetu Chandra
Date Deposited:	13 Apr 2017 07:40
Last Modified:	13 Apr 2017 07:40
URI:	http://npl.csircentral.net/id/eprint/2096

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