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Direct Laser Writing of Four-Dimensional Structural Color Microactuators Using a Photonic Photoresist.


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.

SUBMITTER: Del Pozo M 

PROVIDER: S-EPMC7450659 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Direct Laser Writing of Four-Dimensional Structural Color Microactuators Using a Photonic Photoresist.

Del Pozo Marc M   Delaney Colm C   Bastiaansen Cees W M CWM   Diamond Dermot D   Schenning Albert P H J APHJ   Florea Larisa L  

ACS nano 20200701 8


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 resol  ...[more]

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