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Statements

Subject Item
n2:RIV%2F61389013%3A_____%2F10%3A00349446%21RIV11-MSM-61389013
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Polyaniline (PANI) is prepared by the oxidation of aniline. Depending on the acidity conditions during the chemical oxidation, different types of products can be identified. The aniline dimers, semidines, are the first oxidation products. In the next step, aniline trimers containing a phenazine moiety, the nucleates, are produced. At moderate acidity, pH> 3.5, the reaction pathway further leads to higher brown non-conducting aniline oligomers. Alternatively, when the acidity is sufficiently high, pH< 2.5, the nucleates convert to initiation centers that start the subsequent propagation of PANI chains. The formation of various polyaniline morphologies, viz. nanotubes, nanofibers, thin films, and colloidal particles, is reviewed and related to chemistry of aniline oxidation. Polyaniline (PANI) is prepared by the oxidation of aniline. Depending on the acidity conditions during the chemical oxidation, different types of products can be identified. The aniline dimers, semidines, are the first oxidation products. In the next step, aniline trimers containing a phenazine moiety, the nucleates, are produced. At moderate acidity, pH> 3.5, the reaction pathway further leads to higher brown non-conducting aniline oligomers. Alternatively, when the acidity is sufficiently high, pH< 2.5, the nucleates convert to initiation centers that start the subsequent propagation of PANI chains. The formation of various polyaniline morphologies, viz. nanotubes, nanofibers, thin films, and colloidal particles, is reviewed and related to chemistry of aniline oxidation.
dcterms:title
Polyaniline nanostructures and the role of aniline oligomers in their formation Polyaniline nanostructures and the role of aniline oligomers in their formation
skos:prefLabel
Polyaniline nanostructures and the role of aniline oligomers in their formation Polyaniline nanostructures and the role of aniline oligomers in their formation
skos:notation
RIV/61389013:_____/10:00349446!RIV11-MSM-61389013
n4:aktivita
n10:P n10:Z
n4:aktivity
P(GA202/09/1626), P(GA203/08/0686), P(IAA100500902), P(IAA400500905), P(ME 847), Z(AV0Z40500505)
n4:cisloPeriodika
12
n4:dodaniDat
n15:2011
n4:domaciTvurceVysledku
n7:2524147 n7:5920647
n4:druhVysledku
n11:J
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n17:predkladatel
n4:idSjednocenehoVysledku
279739
n4:idVysledku
RIV/61389013:_____/10:00349446
n4:jazykVysledku
n9:eng
n4:klicovaSlova
conducting polymer; nanofibers; nanotubes
n4:klicoveSlovo
n12:nanotubes n12:conducting%20polymer n12:nanofibers
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[BF158089F34D]
n4:nazevZdroje
Progress in Polymer Science
n4:obor
n16:CD
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n5:IAA400500905 n5:GA202%2F09%2F1626 n5:ME%20847 n5:IAA100500902 n5:GA203%2F08%2F0686
n4:rokUplatneniVysledku
n15:2010
n4:svazekPeriodika
35
n4:tvurceVysledku
Sapurina, I. Stejskal, Jaroslav Trchová, Miroslava
n4:wos
000286287900002
n4:zamer
n14:AV0Z40500505
s:issn
0079-6700
s:numberOfPages
62