An intelligent light-managing ionic skin for UV-protection, IR stealth, and optical camouflaged Morse codes
UV 보호, IR 스텔스 및 광학 위장 모스 부호를 위한 지능형 광 관리 이온 스킨
Una piel iónica inteligente que maneja la luz para protección UV, sigilo IR y códigos Morse camuflados ópticos
Une peau ionique intelligente de gestion de la lumière pour la protection contre les UV, la furtivité IR et les codes Morse camouflés optiquement
Интеллектуальная светоуправляемая ионная кожа для защиты от ультрафиолета, ИК-невидимости и оптического замаскированного кода Морзе
Xiaofang Shi 时晓芳 ¹ ³, Zhouyue Lei 雷周玥 ², Peiyi Wu 武培怡 ¹ ³
¹ State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
中国 上海 东华大学化学化工与生物工程学院 纤维材料改性国家重点实验室 先进低维材料中心
² John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
³ State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
中国 上海 复旦大学高分子科学系 聚合物分子工程国家重点实验室
Science China Materials, 13 October 2021

Ionic skins that demonstrate great advantages in the mechanical properties and multiple sensory capabilities are regarded as an attractive candidate to mimic functions of human skin. However, human skin is vulnerable to be damaged under long-time sunlight irradiation, and most of the current ionic skins also lack a protection against harmful ultraviolet and infrared lights. Herein, this work develops a multifunctional ionic skin based on ionic conductive and light-managing hydrogels via a facile one-step locally confined polymerization.

It is mechanically adaptable, able to modulate light in the broadband solar spectrum, and protect human skin from the harmful ultraviolet and infrared lights. Moreover, without complicated processing, the ionic skin enables human-machine interactions via wireless and optical camouflaged Morse codes. We believe this work will promote the development of smart wearable devices with multiple customizable functions.
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