Journal
SYNTHETIC METALS
Volume 156, Issue 16-17, Pages 1118-1122Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2006.07.004
Keywords
conjugated polymers; functionalization of polymers; polyaromatics; optical properties
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Introduction of benzyl and toluoyl groups to a soluble p-phenylene/m-phenylene copolymer, PP, was carried out by Friedel-Crafts reactions using benzyl chloride and toluoyl chloride. Degrees of the introduction of the benzyl and toluoyl group per the phenylene unit of PP were estimated at 8.5 and 16.3%, respectively, from H-1 NMR data. Original PP and the polymer with the benzyl group showed a strong photoluminescence with a quantum yield higher than 60% in chloroform. Introduction of the toluoyl group strongly affected the light emitting behavior of the polymer and caused a red shift of the emitted light. (c) 2006 Elsevier B.V. All rights reserved.
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