Citation

Vadivel Murugan, A. and Viswanath, Annamraju Kasi and Ravi, V. and Kakade, Bhalchandra A. and Saaminathan, V. (2006) Photoluminescence studies of Eu[sup 3+] doped Y[sub 2]O[sub 3] nanophosphor prepared by microwave hydrothermal method. Applied Physics Letters, 89 (12). p. 123120. ISSN 00036951

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Abstract

In this letter, the authors report the photoluminescence studies of Eu3+ doped Y2O3 nanorods, which have been synthesized by rapid microwave hydrothermal route within 6 min. The nanostructured Eu3+ doped Y2O3 is characterized by x-ray diffraction, transmission electron microscopy, and photoluminescence. The emission spectrum shows transitions from the excited 5D0 state to math (J = 0,1,2,3,4) levels of the Eu3+ ion. The most intense peak around 612 nm is due to the math→math transition, expected from the Judd-Ofelt selection rules [ B. R. Judd, Phys. Rev. 127, 750 (1962) ; G. S. Ofelt, J. Chem. Phys. 37, 511 (1962) ]. Photoluminescence measurements demonstrated that the nanocrystalline Eu3+:Y2O3 phase shows higher photoluminescence intensity.

Item Type:	Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Engineering (FOE)
Depositing User:	Ms Suzilawati Abu Samah
Date Deposited:	04 Sep 2013 01:21
Last Modified:	04 Sep 2013 01:21
URII:	http://shdl.mmu.edu.my/id/eprint/3921

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