Issue 29, 2024

Dual-stimuli responsive chromatic cholesteric fibres with programmable structural-colour

Abstract

Smart textiles, capable of responsive behaviour to environmental stimuli, have garnered increasing attention across diverse fields such as healthcare, flexible displays, and environmental monitoring. However, the majority of current smart fibres necessitate external electronic devices and exhibit passivity, thereby compromising their convenience and wearability. Herein, we demonstrate the successful implementation of an active dual-stimulus responsive coloured cholesteric fibre, which was fabricated by employing a polymer coating technique to achieve stable integration of cholesteric liquid crystals (CLC) onto a black nylon substrate. The fibre enables orthogonal manipulation of structural colour through both optical and gaseous means, facilitating independent modulation in two optical parameters: reflection bands and reflectivity. This discovery also suggests a viable approach to achieving multiple degrees of freedom modulation in flexible optical information devices, thereby opening up new avenues for the conceptual application of multifunctional flexible sensing.

Graphical abstract: Dual-stimuli responsive chromatic cholesteric fibres with programmable structural-colour

Supplementary files

Article information

Article type
Paper
Submitted
13 Mar 2024
Accepted
14 May 2024
First published
15 May 2024

J. Mater. Chem. C, 2024,12, 10985-10991

Dual-stimuli responsive chromatic cholesteric fibres with programmable structural-colour

J. Zheng, X. Liu, C. Yuan and Z. Zheng, J. Mater. Chem. C, 2024, 12, 10985 DOI: 10.1039/D4TC01004C

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