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Single-layer gold nanoparticle film enhances the upconversion luminescence of a single NaYbF4: 2%Er3+ microdisk

Wei Gao,Shanshan Han,Boyang Wang,Zeyu Sun,Yanrui Lu,Qingyan Han,Xuewen Yan,Jihong Liu,Jun Dong

Journal of Alloys and Compounds（2022）

Cited 8|Views6
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Abstract
•The AMF with different densities was prepared by liquid-liquid interface self-assembly method.•A series of AMF@SiO2 @NaYbF4: 2%Er3+ composite structures were constructed to enhance UC emission intensity of Er3+ ions.•The UC emission intensity of the single NaYbF4: 2%Er3+ microdisk was enhanced by 6.98 time.•The physics mechanism of the plasmon-enhanced UC luminescence is carefully studied.
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Key words
Upconversion luminescence,Surface plasmon,NaYbF4: Er3+ microdisks,Au monolayer film
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