Conducting polyfurans by electropolymerization of oligofurans

Dennis Sheberla, Snehangshu Patra, Yair H. Wijsboom, Sagar Sharma, Yana Sheynin, Abd Elrazek Haj-Yahia, Adva Hayoun Barak, Ori Gidron, Michael Bendikov

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Polyfurans have never been established as useful conjugated polymers, as previously they were considered to be inherently unstable and poorly conductive. Here, we show the preparation of stable and conducting polyfuran films by electropolymerization of a series of oligofurans of different chain lengths substituted with alkyl groups. The polyfuran films show good conductivity in the order of 1 S cm-1, good environmental and electrochemical stabilities, very smooth morphologies (roughness 1-5 nm), long effective conjugation lengths, well-defined spectroelectrochemistry and electro-optical switching (in the Vis-NIR region), and have optical band-gaps in the range of 2.2-2.3 eV. A low oxidation potential needed for polymerization of oligofurans (compared to furan) is a key factor in achievement of improved properties of polyfurans reported in this work. DFT calculations and experiments show that polyfurans are much more rigid than polythiophenes, and alkyl substitution does not disturb backbone planarity and conjugation. The obtained properties of polyfuran films are similar or superior to the properties of electrochemically prepared poly(oligothiophene)s under similar conditions. This journal is

Original languageEnglish
Pages (from-to)360-371
Number of pages12
JournalChemical Science
Volume6
Issue number1
DOIs
Publication statusPublished - Jan 1 2015

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Electropolymerization
Spectroelectrochemistry
Conductive films
Conjugated polymers
Optical band gaps
Chain length
Discrete Fourier transforms
poly(furan-co-aniline)
Substitution reactions
Surface roughness
Polymerization
Oxidation
Experiments

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Sheberla, D., Patra, S., Wijsboom, Y. H., Sharma, S., Sheynin, Y., Haj-Yahia, A. E., ... Bendikov, M. (2015). Conducting polyfurans by electropolymerization of oligofurans. Chemical Science, 6(1), 360-371. https://doi.org/10.1039/c4sc02664k

Conducting polyfurans by electropolymerization of oligofurans. / Sheberla, Dennis; Patra, Snehangshu; Wijsboom, Yair H.; Sharma, Sagar; Sheynin, Yana; Haj-Yahia, Abd Elrazek; Barak, Adva Hayoun; Gidron, Ori; Bendikov, Michael.

In: Chemical Science, Vol. 6, No. 1, 01.01.2015, p. 360-371.

Research output: Contribution to journalArticle

Sheberla, D, Patra, S, Wijsboom, YH, Sharma, S, Sheynin, Y, Haj-Yahia, AE, Barak, AH, Gidron, O & Bendikov, M 2015, 'Conducting polyfurans by electropolymerization of oligofurans', Chemical Science, vol. 6, no. 1, pp. 360-371. https://doi.org/10.1039/c4sc02664k
Sheberla D, Patra S, Wijsboom YH, Sharma S, Sheynin Y, Haj-Yahia AE et al. Conducting polyfurans by electropolymerization of oligofurans. Chemical Science. 2015 Jan 1;6(1):360-371. https://doi.org/10.1039/c4sc02664k
Sheberla, Dennis ; Patra, Snehangshu ; Wijsboom, Yair H. ; Sharma, Sagar ; Sheynin, Yana ; Haj-Yahia, Abd Elrazek ; Barak, Adva Hayoun ; Gidron, Ori ; Bendikov, Michael. / Conducting polyfurans by electropolymerization of oligofurans. In: Chemical Science. 2015 ; Vol. 6, No. 1. pp. 360-371.
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