DataVXACS Applied Nano MaterialsPaper
journal article·2019-02-22

Sheath–Core Fiber Strain Sensors Driven by in-Situ Crack and Elastic Effects in Graphite Nanoplate Composites

Jianfeng Wu, Ziyuan Ma, Zheng Hao, John Tao Zhang, Pengfei Sun, Minghao Zhang, Yangkun Liu, Yushu Cheng, Yu Li, Bo Zhong, Tao Zhang, Long Xia, Wang Yao, Xiaoxiao Huang, Huatao Wang, Haiping Liu, Feng Yan, Chien En Hsu, Guozhong Xing

ACS Applied Nano Materials· Volume 2· Issue 2
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Source abstract

Abstract

Flexible and stretchable electronics, e.g., graphite-nanoplatelet-based (GNP-based) nanocomposite devices, have attracted great interest due to their potential application in health care, robotics, and mechatronics technology. However, the deficient sensors with manipulation of low sensitivity, sluggish responsivity, sophisticated fabrication process, and poor repeatability notoriously limit their industrial applications. For an enhancement in the spontaneous sensitivity, flexibility, and wearability in GNP-based strain sensors, in this report, synergistic crack and elastic effect engineering is employed and in turn significantly enhances the sensitivity with a gauge factor of 20 at a strain of 30% and the stability in our developed sheath–core fiber (SCF) strain sensors. Upon reliable device integration, it is demonstrated that the developed SCF strain sensor could detect the movement of a human joint effectively with generating a resistance change rate ΔR/R0 up to 600%. Furthermore, a controlling device system based on the SCF strain sensor has been manufactured at the circuit level to realize the real-time control of a robot hand, such as copying gestures and playing piano.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsComposites

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Gas Sensing Nanomaterials and Sensors · Advanced Fiber Optic Sensors

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering, Harbin Institute of Technology at Weihai, 2 West Wenhua Road, Weihai 264209, China

Weihai Engineering Research Center of Graphite Deep-Processing Technology, 2 West Wenhua Road, Weihai 264209, China

Weihai No.1 High School, 75 West Wenhua Middle Road, Weihai 264209, China

Beijing Key Laboratory of Intelligent Space Robotic System Technology and Applications, Institute of Spacecraft System Engineering, CAST, Beijing 100094, China

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150080, China

Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States

United Microelect Corp. Ltd., 3 Pasir Ris Dr 12, Singapore 519528, Singapore

Funding

Shandong Province · National Natural Science Foundation of China · Natural Science Foundation of Shandong Province · Weihai City · National Defense Basic Research Plan of China

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