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Durham University

Department of Chemistry

Publication details for Dr Lars-Olof Pålsson

Palsson, LO, Wang, CS, Monkman, AP, Bryce, MR, Rumbles, G & Samuel, IDW (2001). Fluorene co-polymer luminescence: implications for molecular interactions. Synthetic Metals 119(1-3): 627-628.
  • Publication type: Journal Article
  • ISSN/ISBN: 0379-6779
  • Keywords: absorption; aggregate; luminescence; molecular interactions; fluorene co-polymerCONJUGATED POLYMERS

Author(s) from Durham


A co-polymer of fluorene and di-alkoxyphenylene has been studied by
means of optical spectroscopy. The absorption spectra of solution and
films have a maximum at 350 nm, In thick films additional bands at 450
nm and at 550 nm could also be observed. The luminescence of the
solution phase has a maximum at 420 nm while the films exhibit two
maxima with the stronger one located at 420 nm and the weaker one at
540 nm. The photoluminescence quantum yield of the solution was found
to be 50% which was reduced to 7% for films. Our observations point to
the formation of a strongly coupled aggregate, when going from the
liquid to the solid phase.