Photogated humidity-driven motility

Lidong Zhang, Haoran Liang, Jolly Jacob and Panče Naumov ()
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Lidong Zhang: New York University Abu Dhabi
Haoran Liang: New York University Abu Dhabi
Jolly Jacob: Abu Dhabi University
Panče Naumov: New York University Abu Dhabi

Nature Communications, 2015, vol. 6, issue 1, 1-12

Abstract: Abstract Hygroinduced motion is a fundamental process of energy conversion that is essential for applications that require contactless actuation in response to the day–night rhythm of atmospheric humidity. Here we demonstrate that mechanical bistability caused by rapid and anisotropic adsorption and desorption of water vapour by a flexible dynamic element that harnesses the chemical potential across very small humidity gradients for perpetual motion can be effectively modulated with light. A mechanically robust material capable of rapid exchange of water with the surroundings is prepared that undergoes swift locomotion in effect to periodic shape reconfiguration with turnover frequency of

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8429

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DOI: 10.1038/ncomms8429

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