Year

2011

Type(s)

Journal Article

Author(s)

Lapkowski, M. and Data, P. and Golba, S. and Soloducho, J. and Nowakowska-Oleksy, A.

Source

Optical Materials, 33(9): 1445—1448, 2011

Url

https://www.scopus.com/inward/record.uri?eid=2-s2.0-79957932797&doi=10.1016%2fj.optmat.2011.02.018&partnerID=40&md5=8dfaf9dff39472ba7f66a85c54f32582

BibTeX

BibTeX

BibTeX

@ARTICLE{Lapkowski20111445, author={Lapkowski, M. and Data, P. and Golba, S. and Soloducho, J. and Nowakowska-Oleksy, A.}, title={Unusual band-gap migration of N-alkylcarbazole-thiophene derivative}, journal={Optical Materials}, year={2011}, volume={33}, number={9}, pages={1445-1448}, doi={10.1016/j.optmat.2011.02.018}, note={cited By 26}, url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-79957932797&doi=10.1016%2fj.optmat.2011.02.018&partnerID=40&md5=8dfaf9dff39472ba7f66a85c54f32582}, affiliation={Silesian University of Technology, M. Strzody 9, 44-100 Gliwice, Poland; Centre of Polymer and Carbon Materials, Polish Academy of Sciences, Sowinskiego 5, 44-100 Gliwice, Poland; Faculty of Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland}, abstract={The 9-heptyl-3,6-di(thiophen-2-yl)-9H-carbazole (BTC-C7) monomer shows unusual electronic properties during electropolymerization process, we describe the possibility of electrosynthesis of oligomers of different chain length. What is extraordinary about these systems is that their band-gap size is the same, irrespective of the number of repeat units in the oligomer. We compared band-gap width for different oligomers using absorption spectroscopy, cyclic voltammperometry. Analysis of this data suggests that the observed constant band-gap width feature is due to simultaneous, and equipollent change of the energy of HOMO and LUMO orbitals across the series of oligomers being considered. © 2011 Elsevier B.V. All rights reserved.}, author_keywords={Band-gap; Carbazole; Conjugated polymers; Thiophene}, keywords={Absorption spectroscopy; Conjugated polymers; Electronic properties; Electropolymerization; Oligomers; Polycyclic aromatic hydrocarbons; Thiophene, Band gap width; Carbazole; Homo and lumo; Orbitals; Repeat units; Thiophene derivatives, Energy gap}, funding_details={POKL.08.02.01-24-019/08}, funding_details={European CommissionEuropean Commission, EC}, funding_text 1={Research founded by Ministra of Higher Education and Science of Poland, Research Project No. N N205 106935. The work was co-financed by the European Union under the European Social Fund Project “Activation of the academic community as part of the Regional Innovation Strategy” POKL.08.02.01-24-019/08”.}, references={Yu, G., Heeger, A.J., (1995) J. Appl. 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Mater., 9, p. 2798; Cabaj, J., Idzik, K., Soloducho, J., Chyla, A., (2006) Tetrahedron, 62, p. 758; Pei, J., Yu, W.-L., Ni, J., Lai, Y.-H., Huang, W., Heeger, A.J., (2001) Macromolecules, 34, p. 7241; Charas, A., Morgado, J., Martinho, J.M.G., Alcacer, L., Lim, S.F., Friend, R.H., Cacialli, F., (2003) Polymer, 44, p. 1843; Kirsche, B., Zagórska, M., (1989) Synth. Met., 33, p. 257; Zagorska, M., Kulszewicz-Bajer, I., Lapkowski, M., Laska, J., Hasik, M., Pron, A., (1991) Synth. Met., 43, p. 3009}, correspondence_address1={Lapkowski, M.; Silesian University of Technology, M. Strzody 9, 44-100 Gliwice, Poland; email: mieczyslaw.lapkowski@polsl.pl}, publisher={Elsevier B.V.}, issn={09253467}, coden={OMATE}, language={English}, abbrev_source_title={Opt Mater}, document_type={Article}, source={Scopus},