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Blue upconversion luminescence of CaMoO4:Li+/Yb3+/Tm3+ phosphors prepared by complex citrate method
- Title
- Blue upconversion luminescence of CaMoO4:Li+/Yb3+/Tm3+ phosphors prepared by complex citrate method
- Author
- 심광보
- Keywords
- Blue Emission; Excited State Absorption; CaMoO4; Upconversion Luminescence; Energy Transfer Upconversion
- Issue Date
- 2012-08
- Publisher
- Springer-Verlag
- Citation
- APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING; AUG 2012, Vol.108, No.2, p369-p373, 5p.
- Abstract
- Li+/Tm3+/Yb3+ co-doped CaMoO4 upconversion (UC) phosphor was prepared by complex citrate-gel method and UC luminescence properties were investigated. Li+/Tm3+/Yb3+ co-doped CaMoO4 has intense blue emission induced by 1G4 → 3H6 transition at 476 nm that is improved 10 times more than that of Li+ undoped sample and weak red emission at 647 nm generated by 3F2 →3H6 transition under excitation at 980 nm. The optimum doping concentration of Li+ ions was investigated and UC mechanism of Li+/Tm3+/Yb3+ co-doped CaMoO4 was discussed in detail.
- URI
- http://link.springer.com/article/10.1007%2Fs00339-012-6893-7http://hdl.handle.net/20.500.11754/41359
- ISSN
- 0947-8396
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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