Mechanisms of Excimer Formation in Poly(acenaphthylene)

Ming Chen, Kenneth P. Ghiggino, Trevor A. Smith, San H. Thang, Gerard J. Wilson

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Excimer (excited state dimer) formation mechanisms in solution have been investigated for a series of acenaphthyl-containing compounds comprising dimers, higher oligomers, and a poly(acenaphthylene) (PAcN) homopolymer. Excimer fluorescence is observed only for dimers with a threo-diisotactic arrangement of the acenaphthyl groups indicating that interactions between nearest-neighbour chromophores are able to play a role in excimer formation in PAcN. An increase in excimer emission is observed with increasing chain length and attributed to additional excimer formation and energy migration processes.

Original languageEnglish
Pages (from-to)1175-1177
Number of pages3
JournalAustralian Journal of Chemistry
Issue number12
Publication statusPublished - 1 Dec 2004
Externally publishedYes

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