Influence of Silver Colloid on Fluorescein Spectral Properties
作者： D. Frąckowiak , A. Balter , J. Karolczak , P. Siejak
DOI: 10.12693/APHYSPOLA.110.451
关键词: Plasmon 、 Colloid 、 Excitation 、 Surface plasmon 、 Spectral line 、 Radiative transfer 、 Wavelength 、 Analytical chemistry 、 Materials science 、 Absorption (electromagnetic radiation) 、 Nuclear magnetic resonance
摘要: In order to check if the observed earlier changes in ∞uorescence intensities of ∞uorescein solution due addition colloidal suspension silver are related generation surface plasmon coupled emission, steady state photothermal spectra and decay times such samples were measured. The Gaussian components photoacoustic for solutions with without colloid determined compared absorption excitation same samples. e‐ciencies thermal radiative deactivation various discussed. measured at wavelength not exhibiting increase photonic mode density depend only on dye concentration. Decays exhibit as a result region which enhancement is observed. These change yield generated by interactions plasmons but also those sample presence.
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