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Polymers 2016, 8(1), 9; doi:10.3390/polym8010009

Energetic Tuning in Spirocyclic Conjugated Polymers

†,* and †,*
Department of Chemistry, University College London, London WC1H 0AJ, UK
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editors: Christian Nielsen and Laure Biniek
Received: 1 November 2015 / Revised: 7 December 2015 / Accepted: 28 December 2015 / Published: 6 January 2016
(This article belongs to the Special Issue Organic Photovoltaics)
View Full-Text   |   Download PDF [3397 KB, uploaded 6 January 2016]   |  

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. View Full-Text
Keywords: fluorene; spirocyclic; conjugated polymer; xanthene fluorene; spirocyclic; conjugated polymer; xanthene
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Bronstein, H.; King, F.D. Energetic Tuning in Spirocyclic Conjugated Polymers. Polymers 2016, 8, 9.

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