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Issue 47, 2020
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Soft skin layers for reconfigurable and programmable nanowrinkles

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Abstract

Wrinkling skin layers on pre-strained polymer sheets has drawn significant interest as a method to create reconfigurable surface patterns. Compared to widely studied metal or silica films, softer polymer skins are more tolerant to crack formation when the surface topography is tuned under applied strain. This Mini-review discusses recent progress in mechano-responsive wrinkles based on polymer skin materials. Control over the skin thickness with nanometer accuracy allows for tuning of the wrinkle wavelength and orientation over length scales from nanometer to micrometer regimes. Furthermore, soft skin layers enable texturing of two-dimensional electronic materials with programmable feature sizes and structural hierarchy because of the conformal adhesion to the substrates. Soft skin systems open prospects to tailor a range of surface properties via external stimuli important for applications such as smart windows, microfluidics, and nanoelectronics.

Graphical abstract: Soft skin layers for reconfigurable and programmable nanowrinkles

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Article information


Submitted
01 Oct 2020
Accepted
19 Nov 2020
First published
26 Nov 2020

Nanoscale, 2020,12, 23920-23928
Article type
Minireview

Soft skin layers for reconfigurable and programmable nanowrinkles

D. Rhee, S. Deng and T. W. Odom, Nanoscale, 2020, 12, 23920
DOI: 10.1039/D0NR07054H

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