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QUN HAN1,2,* , HUILING SONG1,2, FANGCHAO LIU1,3, XIAOYUN TANG1,2, YAOFEI CHEN1,2, WENCHUAN YAN1,2, TIEGEN LIU1,2
The synthesis and up-conversion (UC) luminescence properties of Er3+/Yb3+ co-doped oxy-fluoride phosphors are reported in this paper. The phosphors were synthesized by the high-temperature melting method and phase identified by X-ray diffraction. Intense red and green emissions were observed under 980 nm excitation which were ascribed to the 4F9/2→4I15/2 and 4H11/2, 4S3/2→4I15/2 transitions of Er3+, respectively. Mechanisms of UC by two and three-photon and energy transfer process were interpreted and explained. The color coordinates were measured and the tunable UC luminescence was analyzed. The CIE diagram shows that the samples with different Yb3+ ion concentrations exhibit different colors..
Tunable up-conversion, Er3+/Yb3+ co-doped, Energy transfer.
QUN HAN, HUILING SONG, FANGCHAO LIU, XIAOYUN TANG, YAOFEI CHEN, WENCHUAN YAN, TIEGEN LIU, Intense and tunable upconversion luminescence of Er3+/Yb3+ co-doped oxy-fluoride phosphors, Optoelectronics and Advanced Materials - Rapid Communications, 12, 3-4, March-April 2018, pp.193-197 (2018).
Submitted at: May 21, 2017
Accepted at: April 5, 2018
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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