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Title: Synthesis and luminescent properties of red-emitting Ba3-xAl2O6:xEu3+ phosphor
Authors: Zhao, Ying
Han, Yajie
Shi, Lei
Yang, Lin
Zhang, Zhiwei
Jiao, Jingmeng
Liu, Fengli
Keywords: Ba3Al2O6:Eu3+;Phosphors;White light-emitting diodes;Luminescence;Photoluminescence
Issue Date: Mar-2019
Publisher: NISCAIR-CSIR, India
Abstract: Ba3Al2O6:Eu3+ phosphors have been prepared by solid state reaction method. X-Ray powder diffraction (XRD) analyzed and confirmed the phase formation of BaAl2O6:Eu3+ and the doping of Eu3+ did not change the crystal structure. The scanning electron microscope (SEM) image exhibited the irregular morphology of Ba3Al2O6:Eu3+ particles, the particle diameter of the sample has not been found to be very uniform. The photoluminescence excitation (PLE) and emission (PL) spectra have been investigated. The PLE spectra indicated the phosphor to be suitable for being excited by near UV and blue light. From the PL spectra, the optimum doping concentration of Eu3+ has been found to be 9%. Meanwhile, it is concluded that the addition of co-solvent can reduce the synthesis temperature. The color coordinates of all the samples have been recorded in the red area. All the results indicated that BaAl2O6:Eu3+ has been found to be a potential red phosphor candidate for high efficiency fluorescence lamps and for other related applications.
Page(s): 321-325
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.58A(03) [March 2019]

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