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Effect of Li+-dopant on Photoluminescence of Gd2O3:Eu3+Nanophosphor

Dhananjaya, N and Nagabhushana, H and Nagabhushana, BM and Rudraswamy, B and Shivakumara, C and Chakradhar, RPC (2011) Effect of Li+-dopant on Photoluminescence of Gd2O3:Eu3+Nanophosphor. In: 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, December 26-30, Manipal, Karnataka, India .

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Official URL: http://dx.doi.org/1053/1/3606318

Abstract

Li+-doped Gd2O3:Eu3+ phosphors have been studied as potential red phosphors for application to field emission displays. The Li+-doped and undoped Gd2O3:Eu3+ phosphors were synthesized by low temperature solution combustion method. The enhanced luminescence was regarded as the result of the creation of oxygen vacancies due to the Gd3+ sites occupied by Li+ ions, the alteration of the crystal field surrounding the activator Eu3+ ions owing to the incorporation of Li+ into interstial sites. The result in a remarkable increase on photoluminescence and the strong emission was observed at 612 nm by a factor of 4.1 in comparison with that of undoped sample.

Item Type: Conference Proceedings
Additional Information: Copyright to this article belongs to the American Institute of Physics
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: review EPrints Reviewer
Date Deposited: 11 Mar 2013 06:25
Last Modified: 11 Mar 2013 06:25
URI: http://eprints.iisc.ac.in/id/eprint/45982

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