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Living systems can respond to external stimuli by dynamic interface changes. Moreover, natural wrinkle structures allow the surface to switch dynamically and reversibly from flat to rough in response to specific stimuli. Artificial wrinkle structures have been developed for applications such as optical devices, mechanical sensors, and microfluidic devices. However, chemical molecule‐triggered flexible...
In article number 1900216, Ting Zhang and co‐workers propose a dual‐signal responsive flexible volatile organic compound sensor based on surface wrinkles with both dynamic visual feedback and a quantitative electrical signal. Tunable sensitivity and selectivity are well‐controlled, and the high selectivity toward ethanol vapor is explained by a proximity mechanism. This platform can provide a novel...
A superhydrophobic smart sensing coating is presented by Ting Zhang and co‐workers in article 1702517, which can be integrated on running clothes. The coatings are piezoresistive for wearable strain‐sensor applications and superhydrophobic for water repellency, and are thus endowed with highly sensitive and stable sensing performance under wet/corrosive conditions.
Superhydrophobic surfaces have shown versatile applications in waterproofing, self‐cleaning, drag reduction, selective absorption, etc. The most convenient and universally applicable approach to forming superhydrophobic surfaces is by coating; however, currently, superhydrophobic, smart coatings with flexibility and multiple functions for wearable sensing electronics are not yet reported. Here, a...
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