Au nanoparticle controlled luminescence emission of single NaYF4:Eu3+ particle

Nana Jin; Chengyun Zhang; Zhengkun Fu; Zhenglong Zhang; Hairong Zheng

doi:10.1117/12.2540507

12 December 2019 Au nanoparticle controlled luminescence emission of single NaYF₄:Eu³⁺ particle

Nana Jin, Chengyun Zhang, Zhengkun Fu, Zhenglong Zhang, Hairong Zheng

Proceedings Volume 11194, Plasmonics IV; 1119409 (2019) https://doi.org/10.1117/12.2540507
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

Highly dispersed and uniform α-NaYF₄ micron flowers with about 500nm size was synthesized by a simple wet-chemical at a low temperature, then NaYF₄:Eu³⁺@Au hybrid structures with various amount Au nanoparticles (Au NPs) are prepared and single NaYF₄:Eu³⁺@Au hybrid particle is taken to investigate the influence of noble metal nanoparticle on the luminescence emission and present corresponding mechanism. It is found that luminescence emissions of NaYF₄:Eu³⁺ was quenched by introducing Au nanoparticles, and with increase of Au nanoparticles, the fluorescence quenching was more and more serous while emission intensity ratio of electric dipole to magnetic dipole transition of Eu³⁺ gradually become larger.

Citation Download Citation

Nana Jin, Chengyun Zhang, Zhengkun Fu, Zhenglong Zhang, and Hairong Zheng "Au nanoparticle controlled luminescence emission of single NaYF₄:Eu³⁺ particle", Proc. SPIE 11194, Plasmonics IV, 1119409 (12 December 2019); https://doi.org/10.1117/12.2540507

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