Applying the oligomer approach to luminescent conjugated organoboranes

Pangkuan Chen; Roger A. Lalancette; Frieder Jäkle

doi:10.1021/ja201436a

Applying the oligomer approach to luminescent conjugated organoboranes

Pangkuan Chen, Roger A. Lalancette, Frieder Jäkle^*

^*Corresponding author for this work

Rutgers - The State University of New Jersey, Newark

Research output: Contribution to journal › Article › peer-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 n_ECL = 5 was derived.

Original language	English
Pages (from-to)	8802-8805
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	133
Issue number	23
DOIs	https://doi.org/10.1021/ja201436a
Publication status	Published - 15 Jun 2011
Externally published	Yes

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10.1021/ja201436a

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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.",

author = "Pangkuan Chen and Lalancette, {Roger A.} and Frieder J{\"a}kle",

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AU - Lalancette, Roger A.

AU - Jäkle, Frieder

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N2 - 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.

AB - 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.

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Applying the oligomer approach to luminescent conjugated organoboranes

Abstract

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