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Near-infrared luminescence enhancing by introducing alkali metal ions in Sr2CeO4:Yb3+

✍ Scribed by Xiao, Quanlan; Dong, Guoping; Qiu, Jianrong


Book ID
122191498
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
816 KB
Volume
147
Category
Article
ISSN
0022-2313

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## Abstract Efficient blue–green emission is observed for Sr~2~CeO~4~ under ultraviolet excitation ranging from 250 to 400 nm and this is ascribed to the emission of the O^2βˆ’^–Ce^4+^ charge transfer (CT) states. Under the excitation of ultraviolet light in the broad absorption band, an intense near