Ultraflexible and transparent electroluminescent skin for real-time and super-resolution imaging of pressure distribution.

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ID: 90625
2020
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Abstract
The ability to image pressure distribution over complex three-dimensional surfaces would significantly augment the potential applications of electronic skin. However, existing methods show poor spatial and temporal fidelity due to their limited pixel density, low sensitivity, or low conformability. Here, we report an ultraflexible and transparent electroluminescent skin that autonomously displays super-resolution images of pressure distribution in real time. The device comprises a transparent pressure-sensing film with a solution-processable cellulose/nanowire nanohybrid network featuring ultrahigh sensor sensitivity (>5000 kPa) and a fast response time (<1 ms), and a quantum dot-based electroluminescent film. The two ultrathin films conform to each contact object and transduce spatial pressure into conductivity distribution in a continuous domain, resulting in super-resolution (>1000 dpi) pressure imaging without the need for pixel structures. Our approach provides a new framework for visualizing accurate stimulus distribution with potential applications in skin prosthesis, robotics, and advanced human-machine interfaces.
Reference Key
lee2020ultraflexiblenature Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lee, Byeongmoon;Oh, Ji-Young;Cho, Hyeon;Joo, Chul Woong;Yoon, Hyungsoo;Jeong, Sujin;Oh, Eunho;Byun, Junghwan;Kim, Hanul;Lee, Seunghwan;Seo, Jiseok;Park, Chan Woo;Choi, Sukyung;Park, Nae-Man;Kang, Seung-Youl;Hwang, Chi-Sun;Ahn, Seong-Deok;Lee, Jeong-Ik;Hong, Yongtaek;
Journal Nature communications
Year 2020
DOI
10.1038/s41467-020-14485-9
URL
Keywords
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