About: Enhanced pH stability of conducting polyaniline by reprotonation with perfluorooctanesulfonic acid

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About: Enhanced pH stability of conducting polyaniline by reprotonation with perfluorooctanesulfonic acid Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Electrically conducting polyaniline (PANI) films have been prepared by reprotonation of the emeraldine base form of PANI with perfluorooctanesulfonic acid (PFOS). The reprotonated PANI-PFOS films have been characterized by UV–vis spectroscopy, water contact angle and electrical conductivity measurements. We report that reprotonation of PANI base with PFOS increased the water contact angle from 25° to 105°. The hydrophobic PANI-PFOS maintained a good level of conductivity even at pH = 8 (σ = 1.0 102 S cm1) whereas the PANI hydrochloride lost its conductivity at this pH (σ = 5.0 109 S cm1). Long-term stability tests showed that the reprotonated PANI-PFOS film remained in its conducting form for three month. Electrically conducting polyaniline (PANI) films have been prepared by reprotonation of the emeraldine base form of PANI with perfluorooctanesulfonic acid (PFOS). The reprotonated PANI-PFOS films have been characterized by UV–vis spectroscopy, water contact angle and electrical conductivity measurements. We report that reprotonation of PANI base with PFOS increased the water contact angle from 25° to 105°. The hydrophobic PANI-PFOS maintained a good level of conductivity even at pH = 8 (σ = 1.0 102 S cm1) whereas the PANI hydrochloride lost its conductivity at this pH (σ = 5.0 109 S cm1). Long-term stability tests showed that the reprotonated PANI-PFOS film remained in its conducting form for three month. (en)
Title	Enhanced pH stability of conducting polyaniline by reprotonation with perfluorooctanesulfonic acid Enhanced pH stability of conducting polyaniline by reprotonation with perfluorooctanesulfonic acid (en)
skos:prefLabel	Enhanced pH stability of conducting polyaniline by reprotonation with perfluorooctanesulfonic acid Enhanced pH stability of conducting polyaniline by reprotonation with perfluorooctanesulfonic acid (en)
skos:notation	RIV/61389013:_____/13:00394358!RIV14-GA0-61389013
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-08944S)
http://linked.open...iv/cisloPeriodika	15 August
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Stejskal, Jaroslav
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	72931
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/13:00394358
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hydrophobicity; polyaniline; reprotonation (en)
http://linked.open.../riv/klicoveSlovo	reprotonation hydrophobicity polyaniline
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[AAD537236A2C]
http://linked.open...i/riv/nazevZdroje	Synthetic Metals
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Interactions of Conducting Polymers with Cells.
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	178
http://linked.open...iv/tvurceVysledku	Stejskal, Jaroslav Bober, P. Lindfors, T. Pesonen, M.
http://linked.open...ain/vavai/riv/wos	000324227200009
issn	0379-6779
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.synthmet.2013.07.002

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