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Statements

Subject Item
n2:RIV%2F61389013%3A_____%2F14%3A00426949%21RIV15-GA0-61389013
rdf:type
n14:Vysledek skos:Concept
dcterms:description
The oxidation of pyrrole with silver nitrate in the presence of suitable water-soluble polymers yields composite polypyrrole–silver colloids. The polypyrrole–silver nanoparticles stabilized with poly(N-vinylpyrrolidone) have a typical size around 350 nm and polydispersity index 0.20, i.e. a moderate polydispersity in size. Similar results have been obtained with poly(vinyl alcohol) as stabilizer. The effect of stabilizer concentration on the particle size is marginal. In the present study, several types of stabilizers have been tested in addition to currently used poly(N-vinylpyrrolidone). Transmission electron microscopy and optical microscopy revealed the gemini morphology of polypyrrole and silver colloidal nanoparticles and confirmed their size and size-distribution determined by dynamic light scattering. The use of colloidal dispersions provides an efficient tool for the UV–vis and FT Raman spectroscopic characterization of polypyrrole, including the transition between polypyrrole salt and corresponding polypyrrole base. The dispersions were used for the preparation of coatings on polyethylene terephthalate foils, and the properties for polypyrrole–silver composites have been compared with those produced from polypyrrole colloids alone. The oxidation of pyrrole with silver nitrate in the presence of suitable water-soluble polymers yields composite polypyrrole–silver colloids. The polypyrrole–silver nanoparticles stabilized with poly(N-vinylpyrrolidone) have a typical size around 350 nm and polydispersity index 0.20, i.e. a moderate polydispersity in size. Similar results have been obtained with poly(vinyl alcohol) as stabilizer. The effect of stabilizer concentration on the particle size is marginal. In the present study, several types of stabilizers have been tested in addition to currently used poly(N-vinylpyrrolidone). Transmission electron microscopy and optical microscopy revealed the gemini morphology of polypyrrole and silver colloidal nanoparticles and confirmed their size and size-distribution determined by dynamic light scattering. The use of colloidal dispersions provides an efficient tool for the UV–vis and FT Raman spectroscopic characterization of polypyrrole, including the transition between polypyrrole salt and corresponding polypyrrole base. The dispersions were used for the preparation of coatings on polyethylene terephthalate foils, and the properties for polypyrrole–silver composites have been compared with those produced from polypyrrole colloids alone.
dcterms:title
Towards conducting inks: polypyrrole-silver colloids Towards conducting inks: polypyrrole-silver colloids
skos:prefLabel
Towards conducting inks: polypyrrole-silver colloids Towards conducting inks: polypyrrole-silver colloids
skos:notation
RIV/61389013:_____/14:00426949!RIV15-GA0-61389013
n3:aktivita
n8:S n8:P n8:I
n3:aktivity
I, P(GA13-00270S), P(TE01020022), S
n3:cisloPeriodika
10 March
n3:dodaniDat
n16:2015
n3:domaciTvurceVysledku
n5:6116094 Bober, Patrycja n5:5920647 n5:2524147 n5:2677741
n3:druhVysledku
n18:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
50814
n3:idVysledku
RIV/61389013:_____/14:00426949
n3:jazykVysledku
n15:eng
n3:klicovaSlova
conducting inks; polypyrrole; colloids
n3:klicoveSlovo
n11:colloids n11:conducting%20inks n11:polypyrrole
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[73AB8B79DD86]
n3:nazevZdroje
Electrochimica acta
n3:obor
n17:JA
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
9
n3:projekt
n13:GA13-00270S n13:TE01020022
n3:rokUplatneniVysledku
n16:2014
n3:svazekPeriodika
122
n3:tvurceVysledku
Omastová, M. Syrový, T. Bober, Patrycja Stejskal, Jaroslav Trchová, Miroslava Kaplanová, M. Peřinka, N. Hromádková, Jiřina Morávková, Zuzana
n3:wos
000334007900037
s:issn
0013-4686
s:numberOfPages
7
n12:doi
10.1016/j.electacta.2013.11.037