The effect of interaction between surface plasmons of gold nanoparticles and optical active centers on luminescence of Eu3+- doped Zn2SnO4 nanocrystals

Nguyen Duy Thien,Le Van Vu,Nguyen Ngoc Long

doi:10.1016/j.optmat.2018.02.039

The effect of interaction between surface plasmons of gold nanoparticles and optical active centers on luminescence of Eu3+- doped Zn2SnO4 nanocrystals

Nguyen Duy Thien, Le Van Vu + Show 1 more

https://doi.org/10.1016/j.optmat.2018.02.039

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Journal: Optical Materials	Publication Date: Feb 25, 2018
Citations: 5

Affiliation: VNU University of Science

#Surface Plasmons Of Gold Nanoparticles #Ion Emission + Show 8 more

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Abstract

The enhancement and quenching of Eu3+ ion emission were investigated in Zn2SnO4:Eu3+@Au (ZTO:Eu3+@Au) nanocomposites. Under 361 nm excitation we revealed the extinction of the intrinsic defect emission and the enhancement of Eu3+ ion emission when Au content in samples is increased, but under excitation wavelength of 394 nm we observed only the suppression of Eu3+ ion emission. The cause of the observed PL behavior is related to the interaction between surface plasmon induced by gold nanoparticles and luminescence centers in the samples.

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