ArticleAngewandte Chemie (International ed. in English)2025
Mechanochromic Displays Based on Photoswitchable Cholesteric Liquid Crystal Elastomers.
Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Circularly polarized luminescence optical waveguides in stretchable photonic crystal fibers for advanced human motion monitoring.Nature communications · 2026Article
- Recent Advances in Cholesteric Liquid Crystal Elastomers: Fabrication, Functionalization, and Applications.Angewandte Chemie (International ed. in English) · 2026Review
- Dual-wavelength photopatterning unlocks spatially programmable heterogeneity in liquid crystal elastomers.Nature communications · 2026Article
- Freeform Manufacturing of Plant-Based Structural Colors for Scalable Photonic and Mechanochromic Devices.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Photochromic Cholesteric Liquid Crystals via Arylazopyrazole Functionalization of Hydroxypropyl Cellulose.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Robust helix photo-transforming in soft matter.National science review · 2026Article
- Hollow Cholesteric Liquid Crystal Elastomer Fiber with Synergistically Enhanced Resilience and Mechanochromic Sensitivity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Responsive Industrial Polymers: A Marriage of Polyurethanes with Liquid Crystal Elastomers?ACS applied materials & interfaces · 2025Review
- Development of 2,1,3-Benzothiadiazole-Based Room-Temperature Fluorescent Nematic Liquid Crystals.Molecules (Basel, Switzerland) · 2025Article
- Solvent Evaporation-Induced Self-Assembly of Flexible Cholesteric Liquid Crystal Elastomers: Fabrication, Performance Tuning, and Optimization.Materials (Basel, Switzerland) · 2025Article
- Chemodynamic covalent adaptable network-induced robust, self-healing, and degradable fluorescent elastomers for multicolor information encryption.Chemical science · 2025Article
- Mechanochromic Displays Based on Photoswitchable Cholesteric Liquid Crystal Elastomers.Angewandte Chemie (International ed. in English) · 2025Article
- Synthesis of Side-Chain Liquid Crystalline Polyacrylates with Bridged Stilbene Mesogens.Molecules (Basel, Switzerland) · 2024Article
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Authors and funding
4 authors.
Funding
Abstract
Stimuli responsive optical materials are attractive for many areas, from healthcare to art design. However, creating intricate color-changing patterns for visual information is still a challenge. This work describes the preparation of mechanochromic structural colored intricate pictures imprinted in cholesteric liquid crystal elastomers by using a chiral isosorbide molecular photoswitch. The photoswitch contains a photoisomerizable cinnamate moiety and was incorporated in a main chain liquid crystal oligomer with photopolymerizable acrylate end groups. After coating, the structural colored film was irradiated with ultraviolet (UV) light in air causing E/Z isomerization of the cinnamate units leading to a redshift of the structural color of the film. A grayscale photomask was used to spatially control the photoisomerization reaction and imprint colorful pictures such as portraits and landscapes, in the cholesteric liquid crystal films with high resolution. Photopolymerization in a nitrogen atmosphere led to a mechanochromic cholesteric liquid crystal elastomer with striking structural colors that blueshift upon strain. The sharp details of the patterns were preserved even under deformation and the system returned to the initial state upon strain removal. Our work offers a simple photoswitch approach to prepare stimuli responsive optical polymers imprinted with color-changing pictures of unprecedented complexity.
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