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Department of Chemistry, University College London, London WC1H 0AJ, UK



These authors contributed equally to this work.





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Academic Editors: Christian Nielsen and Laure Biniek

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





Autor: Hugo Bronstein †,* and Frank D. King †,*

Fuente: http://mdpi.com/



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