A chameleon-inspired stretchable electronic skin with interactive colour changing controlled by tactile sensing

By Ho-Hsiu Chou, Amanda Nguyen, Alex Chortos, John W. F. To, Chien Lu, Jianguo Mei, Tadanori Kurosawa, W. Bae, J. B. Tok, Zhenan Bao. Nature Communications, 2015

799 citations recorded by the source corpus.

Some animals, such as the chameleon and cephalopod, have the remarkable capability to change their skin colour. This unique characteristic has long inspired scientists to develop materials and devices to mimic such a function. However, it requires the complex integration of stretchability, colour-changing and tactile sensing. Here we show an all-solution processed chameleon-inspired stretchable electronic skin (e-skin), in which the e-skin colour can easily be controlled through varying the applied pressure along with the applied pressure duration. As such, the e-skin’s colour change can also be in turn utilized to distinguish the pressure applied. The integration of the stretchable, highly tunable resistive pressure sensor and the fully stretchable organic electrochromic device enables the demonstration of a stretchable electrochromically active e-skin with tactile-sensing control. This system will have wide range applications such as interactive wearable devices, artificial prosthetics and smart robots. Some animals and insects can change the colour of their skin, but mimicking such function in man-made materials is complex. Here, the authors demonstrate an all-solution processed chameleon-inspired stretchable e-skin capable of interactive colour changes and tactile sensing.

Subfields: Biomedical Engineering, Cognitive Neuroscience, Polymers and Plastics

View Paper: https://www.semanticscholar.org/paper/abd1be4fd67cde8756e88c60bc0fa29d7d8ed312

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