Ultrasensitive Strain Sensors Based on Cu-Al Alloy Films with Voided Cluster Boundaries

doi:10.1002/admt.202100524

CORC > 金属研究所 > 中国科学院金属研究所

	Ultrasensitive Strain Sensors Based on Cu-Al Alloy Films with Voided Cluster Boundaries
	Wu, Xuping 1,2; Chen, Honglei 1,2; Luo, Xuemei 1; Wang, Dong 3,4; Schaaf, Peter 3,4; Zhang, Guangping 1
刊名	ADVANCED MATERIALS TECHNOLOGIES
	2021-08-10
页码	12
关键词	channel cracks microstructure strain sensors ultrasensitive wearable electronics
ISSN号	2365-709X
DOI	10.1002/admt.202100524
通讯作者	Luo, Xuemei(xmluo@imr.ac.cn) ; Zhang, Guangping(gpzhang@imr.ac.cn)
英文摘要	Stimulated by the requirement for wearable electronics, crack-based strain sensors made from polymer-supported metal films have been reported as a prospective structure for detecting subtle deformation with ultrahigh sensitivity and excellent flexibility. However, the regulation of crack preparation remains a challenge and the use of noble metals retards the large-scale promotion toward practical application. Here, a cost-effective strain sensor with ultrahigh strain sensitivity under small strains (epsilon) is designed based on the submicron to nanoscale voided clusters in Cu-Al alloy films. The formation of channel cracks in the film is manipulated by regulating the intrinsic microstructure of the film, and the corresponding mechanism is discussed in detail. The strain sensor developed from the cracked Cu-Al film exhibits ultrahigh gauge factors as high as 584 (0% epsilon < 0.5%), 10219 (0.5% epsilon < 0.9%), 43152 (0.9% epsilon < 1.75%) which is among the highest in reported values. Furthermore, the practical application of the developed sensor in wearable electronics and detection of small deformation is demonstrated. This work provides a novel approach to optimize the sensing performance of flexible strain sensors.
资助项目	National Natural Science Foundation of China (NSFC)[52071319] ; Foundation for Outstanding Young Scholar - Institute of Metal Research (IMR) ; Foundation for Outstanding Young Scholar - Shenyang National Laboratory for Materials Science[L2019F23] ; Fundamental Research Project of Shenyang National Laboratory for Materials Science[L2019R18]
WOS研究方向	Materials Science
语种	英语
出版者	WILEY
WOS记录号	WOS:000683599500001
资助机构	National Natural Science Foundation of China (NSFC) ; Foundation for Outstanding Young Scholar - Institute of Metal Research (IMR) ; Foundation for Outstanding Young Scholar - Shenyang National Laboratory for Materials Science ; Fundamental Research Project of Shenyang National Laboratory for Materials Science
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/159324]
专题	金属研究所_中国科学院金属研究所
通讯作者	Luo, Xuemei; Zhang, Guangping
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China 3.TU Ilmenau, Inst Mat Sci & Engn, Gustav Kirchhoff Str 5, D-98693 Ilmenau, Germany 4.TU Ilmenau, Inst Micro & Nanotechnol MacroNano, Chair Mat Elect Engn & Elect, Gustav Kirchhoff Str 5, D-98693 Ilmenau, Germany
推荐引用方式 GB/T 7714	Wu, Xuping,Chen, Honglei,Luo, Xuemei,et al. Ultrasensitive Strain Sensors Based on Cu-Al Alloy Films with Voided Cluster Boundaries[J]. ADVANCED MATERIALS TECHNOLOGIES,2021:12.
APA	Wu, Xuping,Chen, Honglei,Luo, Xuemei,Wang, Dong,Schaaf, Peter,&Zhang, Guangping.(2021).Ultrasensitive Strain Sensors Based on Cu-Al Alloy Films with Voided Cluster Boundaries.ADVANCED MATERIALS TECHNOLOGIES,12.
MLA	Wu, Xuping,et al."Ultrasensitive Strain Sensors Based on Cu-Al Alloy Films with Voided Cluster Boundaries".ADVANCED MATERIALS TECHNOLOGIES (2021):12.