Applying the oligomer approach to luminescent conjugated organoboranes

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A series of highly luminescent monodisperse fluoreneborane oligomers (n = 1-6) were prepared using a new iterative synthetic procedure that takes advantage of the highly selective and differential reactivity of bromoboranes with arylsilanes and arylstannanes. Cyclic and square wave voltammetry revealed a gradual decrease of the LUMO energy levels with increasing chain length, while absorption and emission data showed a bathochromic shift and increase in quantum efficiency. An extended conjugation length of nECL = 5 was derived.

Original languageEnglish (US)
Pages (from-to)8802-8805
Number of pages4
JournalJournal of the American Chemical Society
Issue number23
StatePublished - Jun 15 2011

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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