SERS active systems of water-soluble polythiophene and plasmonic nanoparticles: preparation and optical properties
| Autor: | Klára Halašová, Samrana Kazim, Dmitrij Bondarev, J. Pfleger, Marek Procházka, Jiří Vohlídal |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2011 |
| Předmět: |
chemistry.chemical_classification
[PHYS]Physics [physics] Plasmonic nanoparticles Materials science Cationic polymerization Nanoparticle Nanotechnology 02 engineering and technology Polymer 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences 0104 chemical sciences Electronic Optical and Magnetic Materials chemistry.chemical_compound chemistry Physical Sciences Polythiophene 0210 nano-technology Instrumentation Deposition (law) Derivative (chemistry) Plasmon |
| Zdroj: | European Physical Journal: Applied Physics European Physical Journal: Applied Physics, EDP Sciences, 2011, 55 (2), ⟨10.1051/epjap/2011100417⟩ The European Physical Journal Applied Physics |
| ISSN: | 1286-0042 1286-0050 |
| DOI: | 10.1051/epjap/2011100417⟩ |
| Popis: | International audience; Aggregated systems of silver (Ag) and gold (Au) nanoparticles coated with cationic polythiophene were prepared, which showed optical properties typical for strongly coupled plasmonic excitations. The procedure allowed tune up the three-dimensional arrangement of nanoparticles assembly for achieving strong SERS effect at the excitation wavelength depending on the polymer concentration. By combination with an anionic derivative of polythiophene thin multilayer films composed of alternating anionic and cationic polythiophene with mutually interacting plasmonic Au nanoparticles were successfully prepared using layer-by-layer deposition. |
| Databáze: | OpenAIRE |
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