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Highly Stretchable and Sensitive Strain Sensor Based on Facilely Prepared Three-Dimensional Graphene Foam Composite.
ACS Appl Mater Interfaces. 2016 Jul 27; 8(29):18954-61.AA

Abstract

Wearable strain sensors with excellent stretchability and sensitivity have emerged as a very promising field which could be used for human motion detection and biomechanical systems, etc. Three-dimensional (3D) graphene foam (GF) has been reported before for high-performance strain sensors, however, some problems such as high cost preparation, low sensitivity, and stretchability still remain. In this paper, we report a highly stretchable and sensitive strain sensor based on 3D GF and polydimethylsiloxane (PDMS) composite. The GF is prepared by assembly process from graphene oxide via a facile and scalable method and possesses excellent mechanical property which facilitates the infiltration of PDMS prepolymer into the graphene framework. The as-prepared strain sensor can be stretched as high as 30% of its original length and the gauge factor of this sensor is as high as 98.66 under 5% of applied strain. Moreover, the strain sensor shows long-term stability in 200 cycles of stretching-relaxing. Implementation of the device for monitoring the bending of elbow and finger results in reproducibility and various responses in the form of resistance change. Thus, the developed strain sensors exhibit great application potential in fields of biomechanical systems and human-interactive applications.

Authors+Show Affiliations

Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055, China. Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences , Shenzhen 518055, China.School of Material Science and Engineering, University of Jinan , Jinan 250022, China.Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055, China. Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences , Shenzhen 518055, China.Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055, China.Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055, China. Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences , Shenzhen 518055, China.Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055, China. Department of Electronic Engineering, Faculty of Engineering, The Chinese University of Hong Kong , Hong Kong 999077, China.Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055, China.School of Materials Science and Engineering, Georgia Institute of Technology , Atlanta, Georgia 30332, United States. Department of Electronic Engineering, Faculty of Engineering, The Chinese University of Hong Kong , Hong Kong 999077, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27384320

Citation

Li, Jinhui, et al. "Highly Stretchable and Sensitive Strain Sensor Based On Facilely Prepared Three-Dimensional Graphene Foam Composite." ACS Applied Materials & Interfaces, vol. 8, no. 29, 2016, pp. 18954-61.
Li J, Zhao S, Zeng X, et al. Highly Stretchable and Sensitive Strain Sensor Based on Facilely Prepared Three-Dimensional Graphene Foam Composite. ACS Appl Mater Interfaces. 2016;8(29):18954-61.
Li, J., Zhao, S., Zeng, X., Huang, W., Gong, Z., Zhang, G., Sun, R., & Wong, C. P. (2016). Highly Stretchable and Sensitive Strain Sensor Based on Facilely Prepared Three-Dimensional Graphene Foam Composite. ACS Applied Materials & Interfaces, 8(29), 18954-61. https://doi.org/10.1021/acsami.6b05088
Li J, et al. Highly Stretchable and Sensitive Strain Sensor Based On Facilely Prepared Three-Dimensional Graphene Foam Composite. ACS Appl Mater Interfaces. 2016 Jul 27;8(29):18954-61. PubMed PMID: 27384320.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Highly Stretchable and Sensitive Strain Sensor Based on Facilely Prepared Three-Dimensional Graphene Foam Composite. AU - Li,Jinhui, AU - Zhao,Songfang, AU - Zeng,Xiaoliang, AU - Huang,Wangping, AU - Gong,Zhengyu, AU - Zhang,Guoping, AU - Sun,Rong, AU - Wong,Ching-Ping, Y1 - 2016/07/18/ PY - 2016/7/8/entrez PY - 2016/7/8/pubmed PY - 2016/7/8/medline KW - assembly KW - biomechanical systems KW - graphene foam KW - sensitivity KW - strain sensor KW - stretchability SP - 18954 EP - 61 JF - ACS applied materials & interfaces JO - ACS Appl Mater Interfaces VL - 8 IS - 29 N2 - Wearable strain sensors with excellent stretchability and sensitivity have emerged as a very promising field which could be used for human motion detection and biomechanical systems, etc. Three-dimensional (3D) graphene foam (GF) has been reported before for high-performance strain sensors, however, some problems such as high cost preparation, low sensitivity, and stretchability still remain. In this paper, we report a highly stretchable and sensitive strain sensor based on 3D GF and polydimethylsiloxane (PDMS) composite. The GF is prepared by assembly process from graphene oxide via a facile and scalable method and possesses excellent mechanical property which facilitates the infiltration of PDMS prepolymer into the graphene framework. The as-prepared strain sensor can be stretched as high as 30% of its original length and the gauge factor of this sensor is as high as 98.66 under 5% of applied strain. Moreover, the strain sensor shows long-term stability in 200 cycles of stretching-relaxing. Implementation of the device for monitoring the bending of elbow and finger results in reproducibility and various responses in the form of resistance change. Thus, the developed strain sensors exhibit great application potential in fields of biomechanical systems and human-interactive applications. SN - 1944-8252 UR - https://www.unboundmedicine.com/medline/citation/27384320/Highly_Stretchable_and_Sensitive_Strain_Sensor_Based_on_Facilely_Prepared_Three_Dimensional_Graphene_Foam_Composite_ L2 - https://dx.doi.org/10.1021/acsami.6b05088 DB - PRIME DP - Unbound Medicine ER -
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