文献类型：期刊文献

英文题名：Metallic Sandwiched-Aerogel Hybrids Enabling Flexible and Stretchable Intelligent Sensor

作者：Zhang, Hongjian[1];Han, Wenqi[1];Xu, Kui[2];Zhang, Yu[3];Lu, Yufei[1];Nie, Zhentao[1];Du, Yuhang[1];Zhu, Jixin[1,2];Huang, Wei[1,2]

机构：[1]Northwestern Polytech Univ, Xian Key Lab Flexible Elect KLoFE, Shaanxi Key Lab Flexible Elect KLoFE, Inst Flexible Elect IFE,MIIT Key Lab Flexible Ele, Xian 710072, Peoples R China;[2]Nanjing Tech Univ, Inst Adv Mat, NanjingTech, Inst Adv Mat IAM,Key Lab, Nanjing 211816, Peoples R China;[3]East China Univ Sci & Technol, Sch Mech & Power Engn, Shanghai 200237, Peoples R China

年份：2020

卷号：20

期号：5

起止页码：3449

外文期刊名：NANO LETTERS

收录：;EI(收录号：20202308779822);WOS:【SCI-EXPANDED(收录号:WOS:000535255300067)】；

基金：This work was financially supported by the National Natural Science Foundation of China (51872139), the NSF of Jiangsu Province (BK20170045), the Recruitment Program of Global Experts (1211019), the "Six Talent Peak" Project of Jiangsu Province (XCL-043), the Natural Science Basic Research Program of Shaanxi (2019JLM-28), and the Fundamental Research Funds for the Central Universities. Also, we are very grateful to Hongzhiwei Technology (Shanghai) Co., Ltd., for supporting the Nanodcal first-principle calculation software. We would like to thank the Analytical & Testing Center of Northwestern Polytechnical University for the material characterization tests.

语种：英文

外文关键词：flexible strain sensor; vanadium nitride; carbon nanotube; human-machine interaction; signal monitoring

摘要：Flexible strain sensors have been widely investigated with their rapid development in human-machine interfaces, soft robots, and medical care monitoring. Here, we report a new in situ catalytic strategy toward the fabrication of metallic aerogel hybrids, which are composed of vanadium nitride (VN) nanosheets decorated with well-defined vertically aligned carbon nanotube arrays (VN/CNTs) for the first time. In this architecture, the two-dimensional VN nanosheets as the main bone structure are favorable for the flexible devices due to their excellent structural compatibility during the repetitive deforming process. In addition, the sandwiched aerogel hybrids form highly conductive 3D network, affording outstanding sensitivity for the strain-responsive behaviors. Further, the VN/CNTs-based flexible strain sensors are successfully fabricated, showing a high gauge factor of 386 within a small strain of 10%, fast response, and extraordinary durability. The monitoring of physical signals and an actual real-time human-machine controlling system based on the sensors are also presented.