Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 30, Issue 43, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202004610
Keywords
blue phase; humidity responses; hydrogen bonds; nanostructures; self-assemblies nanostructures
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Funding
- National Key R&D Program of China [2018YFB0703704]
- National Natural Science Foundation of China [51720105002, 51921002, 51927806]
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Liquid-crystalline polymers have been applied to a wide variety of stimuli-responsive materials; however, the inevitable mesogenic alignment or extra complicated preparation hinders their further application and large-scale fabrication. Here, fabrication of free-standing blue phase liquid-crystalline (BPLC) film is reported by using one well-designed system composed of specially designed hydrogen-bonded mesogenic precursors, which can spontaneously self-assemble into 3D nanostructures without additional orientation treatment. Upon corrosion in alkaline solution, the BPLC film shows reversible humidity-responsive behaviors by manipulating their lattice parameters of the nanostructures. The unique stimuli-responsive behaviors originate from tunable 3D periodic nanostructures of soft materials are reprogrammable, reconfigurable, and visual, showing their potentials for advanced applications as sensor, display, and anticounterfeiting.
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