首页|Nano-effect enhanced cooperative luminescence of Yb3+clusters in bulk materials

Nano-effect enhanced cooperative luminescence of Yb3+clusters in bulk materials

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In order to improve the multi-ion cooperative transition,we proposed and exploited a novel nanoscale effect,namely the nanoshell effect in bulk materials.Based on the effect,an optimal material structure was designed by coating the surfaces of CaF2∶Yb3+micron size particles with ZrO2.An about 2 times higher intensity of cooperative luminescence is observed upon laser excitation at 980 nm.Dynamical analysis exhibits that the novel effect plays a key role in improving the performance of cooperative transitions.Our results also suggest that the nanoshell effect in bulk materials is likely to be significant in some special cases,which have not been reported yet in the literature.

Yb3+clusterZrO2NanoshellEnhancementCooperative luminescenceRare earths

Daguang Li、Jiahao Cui、Yanhui Dong、Hao Cui、Dan Zhao、Weiping Qin

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State Key Laboratory on Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun,130012,China

National Natural Science Foundation of ChinaOpen Fund of the State Key Laboratory on Integrated Optoelectronics

12174150

2024

10.1016/j.jre.2023.02.008

稀土学报(英文版)
中国稀土学会

稀土学报(英文版)

CSTPCDEI
影响因子：1.3
ISSN：1002-0721
年,卷(期)：2024.42(3)
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