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High photoluminescence efficiency in substituted polythiophene aggregates
Ist. lo Stud. delle Macromolecole, CNR, Via E. Bassini 15, 20133 Milano, Italy.
Giacometti Schieroni, A., Ist. lo Stud. delle Macromolecole, CNR, Via E. Bassini 15, 20133 Milano, Italy.
Ist. lo Stud. delle Macromolecole, CNR, Via E. Bassini 15, 20133 Milano, Italy.
Ist. lo Stud. delle Macromolecole, CNR, Via E. Bassini 15, 20133 Milano, Italy.
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2003 (English)In: Synthetic metals, ISSN 0379-6779, E-ISSN 1879-3290, Vol. 139, no 2, 303-310 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we discuss the optical (absorption and photoluminescence) and solvatochromic properties of a newly synthesized alternating copolymer based on poly(3-alkylthiophene) structure. In this copolymer an unsubstituted thiophene ring is linked to a 3-alkyl-substituted thiophene, the two repeating units being alternated in the copolymer chains. Moreover, a bulky group, THP, with high steric hindrance has been introduced in the side chain. This copolymer, designed to preserve the backbone planarity of polythiophenes and to prevent a close packing arrangement through the non-regioregular insertion of the bulky substituted monomer, shows high PL quantum yield in the solid state and in solution aggregates. The electroluminescence of this copolymer is reported for a simple single layer device. © 2003 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
2003. Vol. 139, no 2, 303-310 p.
Keyword [en]
Aggregates, Alternating copolymers, Electroluminescence, Photoluminescence
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-46490DOI: 10.1016/S0379-6779(03)00171-1OAI: oai:DiVA.org:liu-46490DiVA: diva2:267386
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Inganäs, Olle

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