Applying the oligomer approach to luminescent conjugated organoboranes

Pangkuan Chen, Roger A. Lalancette, Frieder Jäkle*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

74 Citations (Scopus)

Abstract

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
Pages (from-to)8802-8805
Number of pages4
JournalJournal of the American Chemical Society
Volume133
Issue number23
DOIs
Publication statusPublished - 15 Jun 2011
Externally publishedYes

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