About: Polyaniline nanostructures and the role of aniline oligomers in their formation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Polyaniline nanostructures and the role of aniline oligomers in their formation Polyaniline nanostructures and the role of aniline oligomers in their formation (en)
skos:prefLabel	Polyaniline nanostructures and the role of aniline oligomers in their formation Polyaniline nanostructures and the role of aniline oligomers in their formation (en)
skos:notation	RIV/61389013:_____/10:00349446!RIV11-MSM-61389013
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/09/1626), P(GA203/08/0686), P(IAA100500902), P(IAA400500905), P(ME 847), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Stejskal, Jaroslav Trchová, Miroslava
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 makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	279739
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/10:00349446
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	conducting polymer; nanofibers; nanotubes (en)
http://linked.open.../riv/klicoveSlovo	nanofibers nanotubes conducting polymer
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[BF158089F34D]
http://linked.open...i/riv/nazevZdroje	Progress in Polymer Science
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20847 Surface-enhanced Raman scattering of conducting polymers Preparation and properties of nanostructures produced by condcuting polymers Smart fluids and composites with tunable structure The spectroscopic study of the evolution of polyaniline nanostructures
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	35
http://linked.open...iv/tvurceVysledku	Stejskal, Jaroslav Trchová, Miroslava Sapurina, I.
http://linked.open...ain/vavai/riv/wos	000286287900002
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	0079-6700
number of pages	62 (xsd:int)

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