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Physical and optical properties of Dy3+: Li2O-K2O- B2O3 glasses

Azizan, Shaidatul Asrin and Hashim, Suhairul and Razak, Nashru Amira and Abu Mhareb, Mohammad Hasan and Alajerami, Yasser Saleh Mustafa and Tamchek, Nizam (2014) Physical and optical properties of Dy3+: Li2O-K2O- B2O3 glasses. Journal of Molecular Structure, 1076 . pp. 20-25. ISSN 0022-2860; ESSN: 1872-8014

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The luminescence, lasing and sensing properties of rare earth (RE) ions have drawn much interest among researchers. We have focussed on the physical and optical properties of Li2O–K2O–B2O3 (LKB) with different concentrations of dysprosium (Dy3+) ions. The glass samples were prepared using melt quenching method. The physical parameters of the prepared glass were determined. Optical measurements such as XRD, FTIR, absorption and photoluminescence spectra have been carried out. Dy3+: LKB glass showed eight absorption bands with hypersensitive transition located at 1265 nm (6H15/2 → 6F11/2–6H9/2). Finally, Dy3+: LKB glass exhibited two intense luminescence emission at 481 nm (4F9/2 → 6H15/2; blue) and 573 nm (4F9/2 → 6H13/2; yellow) and feeble band at 683 nm (4F9/2 → 6H11/2; red) with excitation wavelength at 370 nm. The results obtained are prevalent with others studies and also point to its use in solid-state laser, optoelectronic devices and W-LEDs application.

Item Type:Article
Keyword:Dysprosium oxide; Borate glass; Photoluminescence
Faculty or Institute:Faculty of Science
DOI Number:10.1016/j.molstruc.2014.07.032
ID Code:34917
Deposited By: Nurul Ainie Mokhtar
Deposited On:23 Dec 2015 20:07
Last Modified:23 Dec 2015 20:07

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