Fluorescent quinolizinium ionic liquids (salts) with unexpectedly high quantum yields up to >99%†,10.1039/C1JM11556A

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Fluorescent quinolizinium ionic liquids (salts) with unexpectedly high quantum yields up to >99%†

Shiguo Zhang,Xiujuan Qi,Shimin Liu,Qinghua Zhang,Youquan Deng

Journal of Materials Chemistry Pub Date : 05/27/2011 00:00:00 , DOI:10.1039/C1JM11556A

Abstract

Quinolizinium ionic liquids (salts) featuring an unbranched cation core have been prepared, characterized and found to show extremely high fluorescence quantum yields in solution (Φ_f > 99%, λ_em near 334 nm) and bright cyan fluorescence in molten state (λ_em near 465 nm).