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- Title
Optical Features of Spherical Gold Nanoparticle-Doped Solid-State Dye Laser Medium.
- Authors
Hoa, D.; Lien, N.; Duong, V.; An, N.
- Abstract
The development of a new laser medium based on gold nanoparticle/dye-doped polymethylmethacrylate (PMMA) has been investigated. In particular, gold nanoparticles with small (16 nm diameter) spherical shape strongly influenced the absorption and fluorescence emission spectra of [2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methyl-4 H-pyran-4-ylidene]-propanedinitrile (DCM) laser dye. Fluorescence quenching and enhancement of DCM emission were observed for various concentrations of gold nanoparticles (GNPs). Fluorescence intensity enhancement was recorded for the sample containing 1.5 × 10 par/mL GNPs and doped with 3 × 10 mol/L DCM. Thermal photodegradation was significantly decreased by using low pump energy for laser emission.
- Subjects
GOLD nanoparticles; POLYMETHYLMETHACRYLATE; MALONONITRILE; FLUORESCENCE quenching; PHOTODEGRADATION
- Publication
Journal of Electronic Materials, 2016, Vol 45, Issue 5, p2484
- ISSN
0361-5235
- Publication type
Article
- DOI
10.1007/s11664-016-4383-y