Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors

Abstract Liquid metal represents a highly conductive and inherently deformable conductor for the development of stretchable electronics. The widespread implementations of liquid metal towards functional sensors and circuits are currently hindered by the lack of a facile and scalable patterning appro...

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Autores principales:	Hangyu Zhu, Shaolei Wang, Menghu Zhang, Tingyu Li, Gaohua Hu, Desheng Kong
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/f5c788dc7b274a9e81f6f6eb0bd03000
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spelling	oai:doaj.org-article:f5c788dc7b274a9e81f6f6eb0bd030002021-12-02T18:14:01ZFully solution processed liquid metal features as highly conductive and ultrastretchable conductors10.1038/s41528-021-00123-x2397-4621https://doaj.org/article/f5c788dc7b274a9e81f6f6eb0bd030002021-09-01T00:00:00Zhttps://doi.org/10.1038/s41528-021-00123-xhttps://doaj.org/toc/2397-4621Abstract Liquid metal represents a highly conductive and inherently deformable conductor for the development of stretchable electronics. The widespread implementations of liquid metal towards functional sensors and circuits are currently hindered by the lack of a facile and scalable patterning approach. In this study, we report a fully solution-based process to generate patterned features of the liquid metal conductor. The entire process is carried out under ambient conditions and is generally compatible with various elastomeric substrates. The as-prepared liquid metal feature exhibits high resolution (100 μm), excellent electrical conductivity (4.15 × 104S cm−1), ultrahigh stretchability (1000% tensile strain), and mechanical durability. The practical suitability is demonstrated by the heterogeneous integration of light-emitting diode (LED) chips with liquid metal interconnects for a stretchable and wearable LED array. The solution-based technique reported here is the enabler for the facile patterning of liquid metal features at low cost, which may find a broad range of applications in emerging fields of epidermal sensors, wearable heaters, advanced prosthetics, and soft robotics.Hangyu ZhuShaolei WangMenghu ZhangTingyu LiGaohua HuDesheng KongNature PortfolioarticleElectronicsTK7800-8360Materials of engineering and construction. Mechanics of materialsTA401-492ENnpj Flexible Electronics, Vol 5, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492 Hangyu Zhu Shaolei Wang Menghu Zhang Tingyu Li Gaohua Hu Desheng Kong Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors
description	Abstract Liquid metal represents a highly conductive and inherently deformable conductor for the development of stretchable electronics. The widespread implementations of liquid metal towards functional sensors and circuits are currently hindered by the lack of a facile and scalable patterning approach. In this study, we report a fully solution-based process to generate patterned features of the liquid metal conductor. The entire process is carried out under ambient conditions and is generally compatible with various elastomeric substrates. The as-prepared liquid metal feature exhibits high resolution (100 μm), excellent electrical conductivity (4.15 × 104S cm−1), ultrahigh stretchability (1000% tensile strain), and mechanical durability. The practical suitability is demonstrated by the heterogeneous integration of light-emitting diode (LED) chips with liquid metal interconnects for a stretchable and wearable LED array. The solution-based technique reported here is the enabler for the facile patterning of liquid metal features at low cost, which may find a broad range of applications in emerging fields of epidermal sensors, wearable heaters, advanced prosthetics, and soft robotics.
format	article
author	Hangyu Zhu Shaolei Wang Menghu Zhang Tingyu Li Gaohua Hu Desheng Kong
author_facet	Hangyu Zhu Shaolei Wang Menghu Zhang Tingyu Li Gaohua Hu Desheng Kong
author_sort	Hangyu Zhu
title	Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors
title_short	Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors
title_full	Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors
title_fullStr	Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors
title_full_unstemmed	Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors
title_sort	fully solution processed liquid metal features as highly conductive and ultrastretchable conductors
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f5c788dc7b274a9e81f6f6eb0bd03000
work_keys_str_mv	AT hangyuzhu fullysolutionprocessedliquidmetalfeaturesashighlyconductiveandultrastretchableconductors AT shaoleiwang fullysolutionprocessedliquidmetalfeaturesashighlyconductiveandultrastretchableconductors AT menghuzhang fullysolutionprocessedliquidmetalfeaturesashighlyconductiveandultrastretchableconductors AT tingyuli fullysolutionprocessedliquidmetalfeaturesashighlyconductiveandultrastretchableconductors AT gaohuahu fullysolutionprocessedliquidmetalfeaturesashighlyconductiveandultrastretchableconductors AT deshengkong fullysolutionprocessedliquidmetalfeaturesashighlyconductiveandultrastretchableconductors
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Fully solution processed liquid metal features as highly conductive and ultrastretchable conductors

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