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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F12%3A00386618%21RIV13-AV0-68378271
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Polyaniline (PANI) films of submicrometer thickness were deposited in situ during the polymerization of aniline on polystyrene support. Aqueous poly(N-vinylpyrrolidone) solution was subsequently evaporated on the top of PANI films. During peeling off, the PANI film was transferred to a poly(N-vinylpyrrolidone) film. Both sides of the PANI film, the top surface of the film deposited on polystyrene, and the bottom surface originally in contact with a polystyrene dish, became subsequently available for the analysis by Raman and X-ray photoelectron spectroscopies. The molecular structures of both surfaces in protonated state were different, the top side corresponded to protonated emeraldine, while the bottom side to partly deprotonated cross-linked structure containing phenazine-like constitutional units. This result supports the concept of hydrophobic phenazine-like oligomers that are adsorbed at immersed surfaces during the oxidation of aniline, and PANI chains that grow from them, thus creating a brush-like PANI morphology. Polyaniline (PANI) films of submicrometer thickness were deposited in situ during the polymerization of aniline on polystyrene support. Aqueous poly(N-vinylpyrrolidone) solution was subsequently evaporated on the top of PANI films. During peeling off, the PANI film was transferred to a poly(N-vinylpyrrolidone) film. Both sides of the PANI film, the top surface of the film deposited on polystyrene, and the bottom surface originally in contact with a polystyrene dish, became subsequently available for the analysis by Raman and X-ray photoelectron spectroscopies. The molecular structures of both surfaces in protonated state were different, the top side corresponded to protonated emeraldine, while the bottom side to partly deprotonated cross-linked structure containing phenazine-like constitutional units. This result supports the concept of hydrophobic phenazine-like oligomers that are adsorbed at immersed surfaces during the oxidation of aniline, and PANI chains that grow from them, thus creating a brush-like PANI morphology.
dcterms:title
In situ polymerized polyaniline films: the top and the bottom In situ polymerized polyaniline films: the top and the bottom
skos:prefLabel
In situ polymerized polyaniline films: the top and the bottom In situ polymerized polyaniline films: the top and the bottom
skos:notation
RIV/68378271:_____/12:00386618!RIV13-AV0-68378271
n7:predkladatel
n13:ico%3A68378271
n3:aktivita
n14:Z n14:P n14:I
n3:aktivity
I, P(GAP205/12/0911), P(GPP108/11/P763), Z(AV0Z10100521), Z(AV0Z40500505)
n3:cisloPeriodika
24
n3:dodaniDat
n5:2013
n3:domaciTvurceVysledku
n4:6323472
n3:druhVysledku
n16:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
141024
n3:idVysledku
RIV/68378271:_____/12:00386618
n3:jazykVysledku
n19:eng
n3:klicovaSlova
adsorption; film formation; conducting polymer
n3:klicoveSlovo
n17:adsorption n17:film%20formation n17:conducting%20polymer
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[59C3CC2DC114]
n3:nazevZdroje
Synthetic Metals
n3:obor
n20:CD
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n18:GAP205%2F12%2F0911 n18:GPP108%2F11%2FP763
n3:rokUplatneniVysledku
n5:2012
n3:svazekPeriodika
162
n3:tvurceVysledku
Morávková, Zuzana Zemek, Josef Tomšík, Elena Stejskal, Jaroslav Trchová, Miroslava
n3:wos
000315248400033
n3:zamer
n8:AV0Z40500505 n8:AV0Z10100521
s:issn
0379-6779
s:numberOfPages
5
n12:doi
10.1016/j.synthmet.2012.11.012