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Updated: Aug 28, 2025

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Yellow Light-Emitting Highly Soluble Perylene Bisimide Dyes by Acetalization of Bay-Hydroxy Groups
Oliver Nagler1, Ana-Maria Krause1, Kazutaka Shoyama2,1
1Center for Nanosystems Chemistry (CNC), Universität Würzburg, 97074 Würzburg, Germany.
Abstract:
A new class of perylene bisimide (PBI) derivatives is introduced by bridging 1,12- and 1,6,7,12-hydroxy functionalized bay positions with oxygen-carbon-oxygen linker(s). This functionalization rigidifies the inherently twisted bay-substituted perylene core to afford dyes of high stability and solubility that are characterized by vibronically well-resolved absorption and fluorescence spectra and intense yellow emission with quantum yields close to 100%.
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