期刊
SCIENCE BULLETIN
卷 65, 期 20, 页码 1752-1759出版社
ELSEVIER
DOI: 10.1016/j.scib.2020.06.002
关键词
Liquid metal; Microfiber; Microfluidics; Wearable electronics; Spinning
资金
- National Natural Science Foundation of China [61927805]
- Natural Science Foundation of Jiangsu [BE2018707]
- Scientific Research Foundation of Nanjing University
- Scientific Research Foundation of Drum Tower Hospital
Liquid metal (LM) has shown potential values in different areas. Attempts to implement LM are tending to develop new functions and make it versatile to improve its performance for practical applications. Here, we present an unprecedented LM-integrated ultra-elastic microfiber with distinctive features for wearable electronics. The microfiber with a polyurethane shell and an LM core was continuously generated by using a sequenced microfluidic spinning and injection method. Due to the precise fluid manipu lation of microfluidics, the resultant microfiber could be tailored with tunable morphologies and responsive conductivities. We have demonstrated that the microfiber could act as dynamic force sensor and motion indicator when it was embedded into elastic films. In addition, the values of the LM-integrated ultra-elastic microfiber on energy conversions such as electro-magnetic or electro-thermal conversions have also been realized. These features indicate that LM-integrated microfiber will open up new frontiers in LM-integrated materials and the wearable electronics field. (C) 2020 Science China Press. Published by Elsevier B.V. and Science China Press. All rights reserved.
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