期刊
CHEMICAL PHYSICS LETTERS
卷 586, 期 -, 页码 91-96出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2013.09.007
关键词
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资金
- Mitsubishi Chemical Corporation (MCC)
- Mitsubishi Chemical Group-Science and Technology Research Center (MCRC), Yokohama, Japan
- MRSEC Program of the NSF [DMR 1121053]
- NSF
- ConvEne IGERT Program [NSF-DGE 0801627]
A novel family of cerium-doped garnet oxide phosphors, (Ca1-xSrx)(3)RE2Ge3O12:Ce,Li (2%, 2%) (x = 0-1, RE = Y, Lu), was prepared using a conventional high-temperature ceramic route and was found to exhibit green luminescence under blue excitation. These compounds were characterised by synchrotron X-ray diffraction and photoluminescence spectroscopy. The results from this study were compared with other known Ce-doped garnets, including yttrium aluminium garnet, leading to a deeper understanding of the relationship between crystal structure and emission wavelength. In particular, the relationship between Ce3+ emission and the distortion factor of the dodecahedral doping site (d(88)/d(81)) was examined. (C) 2013 Elsevier B.V. All rights reserved.
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