Počet záznamů: 1
Polyaniline nanostructures and the role of aniline oligomers in their formation
- 1.0349446 - ÚMCH 2011 RIV NL eng J - Článek v odborném periodiku
Stejskal, Jaroslav - Sapurina, I. - Trchová, Miroslava
Polyaniline nanostructures and the role of aniline oligomers in their formation.
Progress in Polymer Science. Roč. 35, č. 12 (2010), s. 1420-1481. ISSN 0079-6700. E-ISSN 1873-1619
Grant CEP: GA MŠMT ME 847; GA AV ČR IAA400500905; GA AV ČR IAA100500902; GA ČR GA203/08/0686; GA ČR GA202/09/1626
Výzkumný záměr: CEZ:AV0Z40500505
Klíčová slova: conducting polymer * nanofibers * nanotubes
Kód oboru RIV: CD - Makromolekulární chemie
Impakt faktor: 22.870, rok: 2010
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.
Trvalý link: http://hdl.handle.net/11104/0006096
Počet záznamů: 1