Počet záznamů: 1

SERS active systems of water-soluble polythiophene and plasmonic nanoparticles: preparation and optical properties

  1. 1.
    0363644 - UMCH-V 2012 RIV FR eng J - Článek v odborném periodiku
    Kazim, Samrana - Pfleger, Jiří - Halašová, Klára - Procházka, M. - Bondarev, D. - Vohlídal, J.
    SERS active systems of water-soluble polythiophene and plasmonic nanoparticles: preparation and optical properties.
    European Physical Journal-Applied Physics. Roč. 55, č. 2 (2011), 23905_1-23905_6 ISSN 1286-0042.
    [International Symposium on Flexible Organic Electronics /3./. Ouranoupolis, 06.07.2010-09.07.2010]
    Grant CEP: GA AV ČR KAN100500652; GA MŠk 7E10040; GA ČR GAP208/10/0941
    Výzkumný záměr: CEZ:AV0Z40500505
    Klíčová slova: nanocomposite * SERS * .pi.-conjugated polymers
    Kód oboru RIV: CF - Fyzikální chemie a teoretická chemie
    Impakt faktor: 0.771, rok: 2011

    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.
    Trvalý link: http://hdl.handle.net/11104/0199382