About: Optical and electrical properties of gold nanoparticles/poly(3-alkylthiophene) composites

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Optical and electrical properties of nanocomposite materials based on poly(3-hexylthiophene), P3HT, or poly(3-octylthiophene), P3OT, blended with gold nanoparticles (2.61.2 nm) up to the Au content 5.7 vol% are reported. The (polyalkylthiophene)/Au nanocomposites are easily processable, film-forming temperature-stable materials. The optical spectra analysis and the X-ray diffraction show a decrease in the crystalinity of the poly(alkylthiophene)/Au thin films in comparison with the neat polymer. At lower temperatures, the electrical conductivity of the nanocomposites is thermally activated and depends exponentially on the distance of the nanoparticles as in the case of 3D nanoparticle arrays. At higher temperatures, the conductivity passes a maximum whose position varies from 70 °C and 80 °C in the neat P3OT and P3HT, respectively, to approx. 100 °C in the case of the nanocomposites. The shift of the conductivity maximum has been related to the changes in the polymer morphology introduced by the presence of the nanoparticles. Optical and electrical properties of nanocomposite materials based on poly(3-hexylthiophene), P3HT, or poly(3-octylthiophene), P3OT, blended with gold nanoparticles (2.61.2 nm) up to the Au content 5.7 vol% are reported. The (polyalkylthiophene)/Au nanocomposites are easily processable, film-forming temperature-stable materials. The optical spectra analysis and the X-ray diffraction show a decrease in the crystalinity of the poly(alkylthiophene)/Au thin films in comparison with the neat polymer. At lower temperatures, the electrical conductivity of the nanocomposites is thermally activated and depends exponentially on the distance of the nanoparticles as in the case of 3D nanoparticle arrays. At higher temperatures, the conductivity passes a maximum whose position varies from 70 °C and 80 °C in the neat P3OT and P3HT, respectively, to approx. 100 °C in the case of the nanocomposites. The shift of the conductivity maximum has been related to the changes in the polymer morphology introduced by the presence of the nanoparticles. (en)
Title	Optical and electrical properties of gold nanoparticles/poly(3-alkylthiophene) composites Optical and electrical properties of gold nanoparticles/poly(3-alkylthiophene) composites (en)
skos:prefLabel	Optical and electrical properties of gold nanoparticles/poly(3-alkylthiophene) composites Optical and electrical properties of gold nanoparticles/poly(3-alkylthiophene) composites (en)
skos:notation	RIV/68081715:_____/13:00388457!RIV13-AV0-68081715
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(7E10040), P(GAP208/10/0941), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Vobecký, Miloslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav analytické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	94215
http://linked.open...ai/riv/idVysledku	RIV/68081715:_____/13:00388457
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanocomposites; poly(3-alkylthiophene); gold nanoparticles (en)
http://linked.open.../riv/klicoveSlovo	gold nanoparticles nanocomposites poly(3-alkylthiophene)
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[CBE8D8EA0F33]
http://linked.open...i/riv/nazevZdroje	Science of Advanced Materials
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Engineering of surface-modified optical processes in molecules and semiconductor quantum dots by plasmon resonances in metal nanoparticle assemblies. NoE FlexNet - Network of Excellence for building up Knowledge for improved Systems Integration for Flexible Organic and Large Area Electronics (FOLAE) and its exploitation
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	5
http://linked.open...iv/tvurceVysledku	Baldrian, Josef Pfleger, Jiří Vobecký, Miloslav Halašová, Klára Hromádková, Jiřina Ladas, S. Sharf, Ahmed
http://linked.open...ain/vavai/riv/wos	000316040900005
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	1947-2935
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1166/sam.2013.1427

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