Solvent-controlled assembly of pillar[5]arene-based supramolecular networks via π–π interactions for white light modulation

Literature Information

Publication Date 2019-12-13
DOI 10.1039/C9QO01383K
Impact Factor 5.281
Authors

Qi Li, Yuezhou Liu, Peiren Liu, Liqing Shangguan, Huangtianzhi Zhu, Bingbing Shi


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Abstract

White light emitting materials have gained considerable attention. Exploring new strategies to achieve controllable white light emission is important for the construction and application of fluorescent materials. Here we report a supramolecular network based on pyrene-containing pillar[5]arene via π–π interactions, whose assembly and emission are controlled by solvent polarity. By introducing a red emissive europium complex guest, we successfully fabricate a supramolecular crosslinked network with solvent polarity-dependent emissions. White light emission with a CIE coordinate at (0.33, 0.31) is also achieved by adjusting the methanol fraction. This work provides a method to construct tunable fluorescent supramolecular systems and generate homogeneous white light emission by controlling noncovalent interactions.

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Organic Chemistry Frontiers

Organic Chemistry Frontiers
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