Chemical Tuning of the Electronic Properties of Poly(p-phenylenevinylene)-Based Copolymers

Paul L. Burn, Amo Kraft, Andrew B. Holmes, Roger W. Jackson, Derek R. Baigent, Donal D.C. Bradley, Adam R. Brown, Richard H. Friend, Richard W. Gymer

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286 Scopus citations

Abstract

Molecular engineering has allowed the control of the HOMO-LUMO gap energy in a family of conjugated polymers based on poly(p-phenylenevinylene) (PPV). Random copolymerization of 1 and 6 afforded precursor polymers 10 with two different leaving groups. Treatment under thermal conditions led to a partially conjugated polymer 11 with regions of high and low HOMO-LUMO gap energy, showing a 30-fold improvement in electroluminescence efficiency compared with PPV, while treatment under acidic and thermal conditions gave more substantially conjugated polymers 12 with lower HOMO-LUMO gap energies. This chemistry enabled the formation of lithographically patterned polymers exhibiting electroluminescence. The scope of these copolymerizations was also explored with other copolymers, 19 and 22b,c. © 1993, American Chemical Society. All rights reserved.
Original languageEnglish (US)
JournalJournal of the American Chemical Society
Volume115
Issue number22
DOIs
StatePublished - Nov 1 1993
Externally publishedYes

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Generated from Scopus record by KAUST IRTS on 2019-11-27

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