Bioinspired energy‐autonomous interactive electronics are prevalent.However,self‐powered artificial skins are often challenging to be combined with excellent mechanical properties,optical transparency,autonomous att...Bioinspired energy‐autonomous interactive electronics are prevalent.However,self‐powered artificial skins are often challenging to be combined with excellent mechanical properties,optical transparency,autonomous attachability,and biocompatibility.Herein,a robust ecological polyionic skin(polyionic eco‐skin)based on triboelectric mechanism consisting of ethyl cellulose/waterborne polyurethane/Cu nanoparticles(EWC)green electroactive sensitive material and polyethylene oxide/waterborne polyurethane/phytic acid(PWP)polyionic current collector is proposed.The polyionic eco‐skin features sufficient stretchability(90%)and low Young's modulus(0.8MPa)close to that of human soft tissue,high transparency(>84%of transmission)in the visible light range,and broad static/dynamic adhesiveness,which endows it with strong adaptive implementation capacity in flexible curved electronics.More importantly,the self‐powered polyionic eco‐skin exhibits enhanced force‐electric conversion performance by coordinating the effect of nanoparticlepolymer interfacial polarization and porous structure of sensitive material.Integrating multiple characteristics enables the polyionic ecoskin to effectively convert biomechanical energy into electrical energy,supporting self‐powered functionality for itself and related circuits.Moreover,the eco‐skin can be utilized to construct an interactive system and realize the remote noncontact manipulation of targets.The polyionic eco‐skin holds tremendous application potential in self‐powered security systems,human-machine interaction interfaces,and bionic robots,which is expected to inject new vitality into a human-cyber-physical intelligence integration.展开更多
The booming development of wearable devices has aroused increasing interests in flexible and stretchable devices.With mechanosensory functionality,these devices are highly desirable on account of their wide range of a...The booming development of wearable devices has aroused increasing interests in flexible and stretchable devices.With mechanosensory functionality,these devices are highly desirable on account of their wide range of applications in electronic skin,personal healthcare,human–machine interfaces and beyond.However,they are mostly limited by single electrical signal feedback,restricting their diverse applications in visualized mechanical sensing.Inspired by the mechanochromism of structural color materials,interactively stretchable electronics with optical and electrical dual-signal feedbacks are recently emerged as novel sensory platforms,by combining both of their sensing mechanisms and characteristics.Herein,recent studies on interactively stretchable electronics based on structural color materials are reviewed.Following a brief introduction of their basic components(i.e.,stretchable electronics and mechanochromic structural color materials),two types of interactively stretchable electronics with respect to the nanostructures of mechanochromic materials are outlined,focusing primarily on their design considerations and fabrication strategies.Finally,the main challenges and future perspectives of these emerging devices are discussed.展开更多
基金supported by the National Natural Science Foundation of China(52403284,52473270 and T2422028)the Natural Science Foundation of Jiangsu Province(BK20240481)+3 种基金the fellowship of China National Postdoctoral Program for Innovative Talents(BX20240408)the National Key R&D Program of China(2022YFA1203304)the Suzhou Institute of Nano‐Tech and Nano‐Bionics,Chinese Academy of Sciences(start‐up grant E1552102)Jiangsu Funding Program for Excellent Postdoctoral Talent.
文摘Bioinspired energy‐autonomous interactive electronics are prevalent.However,self‐powered artificial skins are often challenging to be combined with excellent mechanical properties,optical transparency,autonomous attachability,and biocompatibility.Herein,a robust ecological polyionic skin(polyionic eco‐skin)based on triboelectric mechanism consisting of ethyl cellulose/waterborne polyurethane/Cu nanoparticles(EWC)green electroactive sensitive material and polyethylene oxide/waterborne polyurethane/phytic acid(PWP)polyionic current collector is proposed.The polyionic eco‐skin features sufficient stretchability(90%)and low Young's modulus(0.8MPa)close to that of human soft tissue,high transparency(>84%of transmission)in the visible light range,and broad static/dynamic adhesiveness,which endows it with strong adaptive implementation capacity in flexible curved electronics.More importantly,the self‐powered polyionic eco‐skin exhibits enhanced force‐electric conversion performance by coordinating the effect of nanoparticlepolymer interfacial polarization and porous structure of sensitive material.Integrating multiple characteristics enables the polyionic ecoskin to effectively convert biomechanical energy into electrical energy,supporting self‐powered functionality for itself and related circuits.Moreover,the eco‐skin can be utilized to construct an interactive system and realize the remote noncontact manipulation of targets.The polyionic eco‐skin holds tremendous application potential in self‐powered security systems,human-machine interaction interfaces,and bionic robots,which is expected to inject new vitality into a human-cyber-physical intelligence integration.
基金funded by the National Natural Science Foundation of China(No.51873145)the Excellent Youth Foundation of Jiangsu Scientific Committee(No.BK20170065)+1 种基金the Qing Lan Project,the 5th 333 High-level Talents Training Project of Jiangsu Province(No.BRA2018340)the Six Talent Peaks Project in Jiangsu Province(No.XCL-79).
文摘The booming development of wearable devices has aroused increasing interests in flexible and stretchable devices.With mechanosensory functionality,these devices are highly desirable on account of their wide range of applications in electronic skin,personal healthcare,human–machine interfaces and beyond.However,they are mostly limited by single electrical signal feedback,restricting their diverse applications in visualized mechanical sensing.Inspired by the mechanochromism of structural color materials,interactively stretchable electronics with optical and electrical dual-signal feedbacks are recently emerged as novel sensory platforms,by combining both of their sensing mechanisms and characteristics.Herein,recent studies on interactively stretchable electronics based on structural color materials are reviewed.Following a brief introduction of their basic components(i.e.,stretchable electronics and mechanochromic structural color materials),two types of interactively stretchable electronics with respect to the nanostructures of mechanochromic materials are outlined,focusing primarily on their design considerations and fabrication strategies.Finally,the main challenges and future perspectives of these emerging devices are discussed.
