Tuning the Fluorescence in Dynamic Covalent Bonded Liquid Crystals

A series of emissive liquid crystalline materials based on salicylidene derivatives is reported and investigated with respect to their thermoresponsive and mechanochromic properties. Single-crystal analysis and temperature-dependent powder X-ray diffraction measurements allowed us to correlate the i...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2022-12, Vol.14 (50), p.55864-55872
Main Authors: Blanke, Meik, Neumann, Thorben, Gutierrez Suburu, Matias Ezequiel, Prymak, Oleg, Wölper, Christoph, Strassert, Cristian A., Giese, Michael
Format: Article
Language:English
Subjects:
Organic Electronic Devices
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Summary:A series of emissive liquid crystalline materials based on salicylidene derivatives is reported and investigated with respect to their thermoresponsive and mechanochromic properties. Single-crystal analysis and temperature-dependent powder X-ray diffraction measurements allowed us to correlate the intermolecular organization of the mesogens with thermoresponsive changes in the fluorescence behavior. As a proof-of-principle study, we employed the dynamics of the imine bond in transamination reactions for postsynthetic tuning of the fluorescence behavior as a further step toward the development of adaptive materials.
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.2c16209