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2010•Organic LettersRequires access

Switchable Three-State Fluorescence of a Nonconjugated Donor−Acceptor Triarylborane

Zachary M. Hudson, Xiangyang Liu, Suning Wang

Open publisher page 72 citations

Abstract

A nonconjugated fluorescent molecule with a triarylboron acceptor and an alkylamine donor has been found to display bright green fluorescence due to charge transfer through space, which can be reversibly deactivated by blocking either the donor or acceptor site. Binding of the fluoride ion to boron switches the fluorescence color to sky blue, while protonation of the amine with acid switches the emission color to the purple fluorescence of the acceptor chromophore.

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What this paper is about

A nonconjugated fluorescent molecule with a triarylboron acceptor and an alkylamine donor has been found to display bright green fluorescence due to charge transfer through space, which can be reversibly deactivated by blocking either the donor or acceptor site. Binding of the fluoride ion to boron switches the fluorescence color to sky blue, while protonation of the amine with acid switches the emission color to the purple fluorescence of the acceptor chromophore.

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OpenAlex reports 72 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A nonconjugated fluorescent molecule with a triarylboron acceptor and an alkylamine donor has been found to display bright green fluorescence due to charge transfer through space, which can be reversibly deactivated by blocking either the donor or acceptor site. Binding of the fluoride ion to boron switches the fluorescence color to sky blue, while protonation of the amine with acid switches the emission color to the purple fluorescence of the acceptor chromophore.

Key concepts: Fluorescence, Chemistry, Chromophore, Photochemistry, Acceptor, Protonation, Amine gas treating, Molecule

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