Direct Laser Writing of Four-Dimensional Structural Color Microactuators Using a Photonic Photoresist
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2020Author:
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20201-06-23Citation:
del Pozo, M., Delaney, M., Bastiaansen, C. W. M., Diamond, D., Schenning, A. P. H. J., Florea, L., Direct Laser Writing of Four-Dimensional Structural Color Microactuators Using a Photonic Photoresist, ACS Nano, 2020Download Item:
Abstract:
With the advent of direct laser writing using two-photon polymerization, the generation of high-resolution three-dimensional microstructures has increased dramatically. However, the development of stimuli-responsive photoresists to create four-dimensional (4D) microstructures remains a challenge. Herein, we present a supramolecular cholesteric liquid crystalline photonic photoresist for the fabrication of 4D photonic microactuators, such as pillars, flowers, and butterflies, with submicron resolution. These micron-sized features display structural color and shape changes triggered by a variation of humidity or temperature. These findings serve as a roadmap for the design and creation of high-resolution 4D photonic microactuators.
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Author: Florea, Larisa
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