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Energetic tuning in spirocyclic conjugated polymers

Bronstein, H; King, FD; (2016) Energetic tuning in spirocyclic conjugated polymers. Polymers , 8 (1) , Article 9. 10.3390/polym8010009. Green open access

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Abstract

Precise control of the energy levels in a conjugated polymer is the key to allowing their exploitation in optoelectronic devices. The introduction of spirocycles into conjugated polymers has traditionally been used to enhance their solid state microstructure. Here we present a highly novel method of energetic tuning through the use of electronically active spirocyclic systems. By modifying the size and oxidation state of a heteroatom in an orthogonal spirocycle we demonstrate energetic fine tuning in both the absorption and emission of a conjugated polymer. Furthermore, the synthesis of highly novel triplet-decker spirocyclic conjugated polymers is presented. This new method of energetic manipulation in a conjugated polymer paves the way for future application targeted synthesis of polymers with electronically active spirocycles.

Type: Article
Title: Energetic tuning in spirocyclic conjugated polymers
Open access status: An open access version is available from UCL Discovery
DOI: 10.3390/polym8010009
Publisher version: http://dx.doi.org/10.3390/polym8010009
Language: English
Additional information: Copyright © 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons by Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/)
Keywords: fluorene; spirocyclic; conjugated polymer; xanthene
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/1489782
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