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Hydrogen‐Bonded Cholesteric Liquid Crystals—A Modular Approach Toward Responsive Photonic Materials

  • A supramolecular approach for photonic materials based on hydrogen-bonded cholesteric liquid crystals is presented. The modular toolbox of low-molecular-weight hydrogen-bond donors and acceptors provides a simple route toward liquid crystalline materials with tailor-made thermal and photonic properties. Initial studies reveal broad application potential of the liquid crystalline thin films for chemo- and thermosensing. The chemosensing performance is based on the interruption of the intermolecular forces between the donor and acceptor moieties by interference with halogen-bond donors. Future studies will expand the scope of analytes and sensing in aqueous media. In addition, the implementation of the reported materials in additive manufacturing and printed photonic devices is planned.

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Document Type:Article
Author:Florian Malotke, Matthias Spengler, Lukas Pschyklenk, Marco Saccone, Peter Kaul, Michael Giese
Parent Title (English):Advanced Photonics Research
Article Number:2100353
Number of pages:6
Place of publication:Weinheim
Publishing Institution:Hochschule Bonn-Rhein-Sieg
Date of first publication:2022/02/22
Copyright:© 2022 The Authors. Advanced Photonics Research published by Wiley-VCH GmbH. This is an open access article under the terms ofthe Creative Commons Attribution License.
Funding:F.M. and M.G. gratefully thank the DFG for the financial support. M.G. gratefully acknowledges the Professor-Werdelmann foundation. L.P. and P.K. acknowledge the financial support of the project OptoSpin (FKZ 13FH023IX6) by the Federal Ministry of Education and Research of Germany. M. S. acknowledges PON R&I 2014-2020—AIM (Attraction and International Mobility), project AIM 1813040 for financial support.
Keyword:chemosensing; cholesteric phase; halogen bonding; hydrogen bonding; photonic sensing; supramolecular liquid crystals; thermosensing
Departments, institutes and facilities:Fachbereich Angewandte Naturwissenschaften
Institut für Sicherheitsforschung (ISF)
Projects:OptoSpin - IngenieurNachwuchs 2016: Optische Gassensorik mit dotierten Flüssigkristallen verbunden mit koaxialem Elektrospinnen (DE/BMBF/13FH023IX6)
Dewey Decimal Classification (DDC):5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Entry in this database:2022/03/01
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International