A highly emissive cruciform triarylborane as a ratiometric and solid state fluorescence sensor for fluoride ions |
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Authors: | Yi-Hong ZhaoHong Pan Guang-Liang FuJi-Mao Lin Cui-Hua Zhao |
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Institution: | School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People’s Republic of China |
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Abstract: | We disclosed a novel cruciform tri-coordinate organoboron compound, 2′,5′-bis{(4-dimesitylboryl)phenyl]ethynyl}-1′,4′-bis(4-N,N-diphenylamino)phenyl]-1,1′:4′,1′]terphenyls, which displays a characteristic intramolecular charge transfer transition and is highly emissive both in solutions and solid state. The complexation with fluoride ions induces a large blue shift in fluorescence, enabling ratiometric fluorescence sensing of fluoride. In addition, its prompt response to fluoride ions was also observed even in the solid state. |
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Keywords: | Cruciform triarylborane Highly emissive Ratiometric Solid state Fluoride sensing |
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