Effect of media on plasmon resonance of silver nanoparticles

Леонов, Н. Б.; Gladskikh, I. A.; Starovoytov, Anton A.

doi:10.1007/s00339-023-06715-w

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Microlasers Preparation1

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2024

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Cited by 3 publications

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“…Moreover, the introduction of silver NPs into microlasers leads to an increase in the luminescence intensity of microlasers, while the introduction of gold NPs leads to a decrease in the intensity. It should be noted that the dielectric environment can lead to a shift of the plasmon resonance maximum 9 . Moreover, the luminescence intensity for microspheres doped with plasmonic nanoparticles is lower than that for microspheres impregnated with dye only in case of Au NPs.…”

Section: Microlasers Preparationmentioning

confidence: 99%

Whispering-gallery microlasers doped with plasmonic nanoparticles

Soloveva,

Kurassova,

Bogdanov

et al. 2024

Nanophotonics X

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Whispering gallery mode (WGM) microlasers were obtained by impregnating polystyrene microspheres in an aqueous solution of plasmonic nanoparticles and Rhodamine 6G. The emission spectra of Rhodamine-doped microspheres with diameters of 1 μm and 5-7 μm exhibited peaks corresponding to WGM, with a low Q-factor for 1-μm and a higher Qfactor for 5-7-μm spheres. The embedding of gold nanoparticles into microlasers results in a 40% decrease in the WGM intensity, while doping with silver nanoparticles increases it by 10%.

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Section: Microlasers Preparationmentioning

confidence: 99%