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Controlled synthesis and improved luminescent properties of (Gd1-x,Eu-x)(3)GaO6 phosphors fabricated via spray pyrolysis
- Authors
- Choi, Sungho; Kim, Kyoungun; Nahm, Sahn; Jung, Ha-Kyun
- Issue Date
- 9월-2009
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Spray pyrolysis; Phosphor; Photoluminescence
- Citation
- OPTICAL MATERIALS, v.31, no.11, pp.1684 - 1687
- Indexed
- SCIE
SCOPUS
- Journal Title
- OPTICAL MATERIALS
- Volume
- 31
- Number
- 11
- Start Page
- 1684
- End Page
- 1687
- ISSN
- 0925-3467
- Abstract
- Eu3+ activated trigadolinium gallate, Gd3GaO6:Eu, was successfully synthesized using various aqueous solutions via ultrasonic spray pyrolysis. The corresponding phosphors illuminated an efficient red emission under Hg-discharge condition with enhanced color purity. which is related to prominent peaks centered at 615 and 629 nm induced by the electric dipole transition of D-5(0) -> F-7(2) of Eu3+. By using a proper Ga source for aqueous solution, especially gallium sulfate, uniformly distributed Gd3GaO6:Eu3+ phosphor with controlled morphology and enhanced emission efficiency was obtained. (c) 2009 Elsevier B.V. All rights reserved.
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