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- Seok, Sang Il
- Laboratory for Energy Harvesting Materials and Systems
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Preparation and Photoluminescence Properties of the ZnGa2O4 : Mn Phosphor by Polymerized Complex Precursor
- Author(s)
- Jo, Du-Hwan, Jung, Ha-Kyun, Seok, Sang Il, Park, Do-Soon
- Issued Date
- 1997-06
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.18, no.6, pp.608 - 612
- Abstract
- The preparation and photoluminescence properties of ZnGa2O4:Mn phosphor are presented. Under 254 nm excitation Zn1-xMnxGa2O4 exhibits the green emission band at 506 nm wavelength and maximum intensity where x = 0.005. The manganese activated ZnGa2O4 phosphor prepared by the polymerized complex method shows a remarkable increase in the emission intensity and is smaller particle size than that prepared by conventional method. Also, electron paramagnetic resonance study on ZnGa2O4:Mn powders indicates that the increase in emission intensity after firing treatment in mild hydrogen reducing atmosphere is due to the conversion of the higher valent manganese to Mn2+.
- Publisher
- KOREAN CHEMICAL SOC
- ISSN
- 1229-5949
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