e-Journal of Surface Science and Nanotechnology
Online ISSN : 1348-0391
Conference -ISSS-8-
Fabrication of Au-Conjugated Polymer Hybridized Nanoparticles and Their Optical Properties
Naonari SakamotoTsunenobu OnoderaHidetoshi OikawaTakuma DezawaYutaka Shibata
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2018 Volume 16 Pages 436-439

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Abstract

We have successfully fabricated well-defined Au-core and polydiacetylene-shell hybridized nanoparticles (NPs) having the suitable thickness of dielectric SiO2 layer between Au-core and polydiacetylene-shell by coprecipitation/microwave irradiation method, and subsequent solid-state polymerization process. The resulting hybridized NPs exhibited the significant enhancement of fluorescence intensity, increase in fluorescence quantum yield, and decrease in fluorescence lifetime, compared with polydiacetylene nanocrystals, due to the “emission enhancement” by localized surface plasmon resonance effect, and then would be one of the promising plasmonic nanomaterials toward optical device applications such as intense and stable point light sources. [DOI: 10.1380/ejssnt.2018.436]

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