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Synthesis and electrochemical study of narrow band gap conducting polymers based on 2,2 '-dipyrroles linked with conjugated aza-spacers
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2007 (English)In: Synthetic metals, ISSN 0379-6779, Vol. 157, no 1, 60-65 p.Article in journal (Refereed) Published
Abstract [en]

A series of 2,2'-dipyrrole monomers separated by aza-spacers (N,N'-bis-(1H-pyrrol-2-ylmethylene)-benzene-1,4-diamine; N-4,N-4'-bis(1H-pyrrol-2-ylmethylene)-biphenyl-4,4'-diamine; N,N'-bis-[1-(1H-pyrrol-2-yl)-ethylidene]-hydrazine; and 4,4'-bis[(1H-pyrrol-2-yl)-diazenyl] biphenyl) have been synthesised using modified Schiff and azo-coupling reactions. The new 2,2'-dipyrroles linked with conjugated aza-spacers have been evaluated as precursors of narrow band gap conducting polymers. Electrochemically synthesized poly(N,N'-bis-[1-(1H-pyrrol-2-yl)ethylidene]-hydrazine) displays a narrow band gap of just 0.7 eV, making it a suitable candidate for optoelectronic applications.

Place, publisher, year, edition, pages
2007. Vol. 157, no 1, 60-65 p.
Keyword [en]
poly (dipyrroles), aza-spacers, synthesis, cyclic voltammetry, electroluminescent polymers, magnetic-properties, metallic polymers, electron-acceptor, 4th generation, pyrrole, monomers, units, polypyrrole, copolymers
National Category
Organic Chemistry
URN: urn:nbn:se:su:diva-57134DOI: 10.1016/j.synthmet.2006.12.002ISI: 000244832700011OAI: diva2:416065
authorCount :10Available from: 2011-05-10 Created: 2011-05-03 Last updated: 2011-05-10Bibliographically approved

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