Theoretical and experimental studies of the opto-electronic properties of positively charged oligo (phenylene vinylene)s: Effects of chain length and alkoxy substitution

F.C. Grozema, L.P. Candeias, M. Swart, P.Th. van Duijnen, J. Wildeman, G. Hadziioanou, L.D.A. Siebbeles, J.M. Warman

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Abstract

A combined experimental and theoretical study of electronic and structural properties of radical cations of phenylene vinylene (PV) oligomers was described. PV cations in solution were produced using pulse radiolysis. Thus, the cation optical absorption spectra were measured for a variety of PV's differing in chain length and substitution pattern. It was found that the cation optical absorption spectrum depends strongly on the pattern of substitution. This indicates that substituents influence the degree of delocalization considerably.
Original languageEnglish
Pages (from-to)11366-11378
Number of pages12
JournalJournal of Chemical Physics
Volume117
DOIs
Publication statusPublished - 2002

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