Highly Stretchable and Ultrasensitive Strain Sensor Based on Reduced Graphene Oxide Microtubes鈥揈lastomer Composite

详细信息    查看全文

• 作者：Yongchao Tang ; Zongbin Zhao ; Han Hu ; Yang Liu ; Xuzhen Wang ; Shanke Zhou ; Jieshan Qiu
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2015
• 出版时间：December 16, 2015
• 年：2015
• 卷：7
• 期：49
• 页码：27432-27439
• 全文大小：537K
• ISSN：1944-8252

文摘

Strain sensors with excellent flexibility, stretchability, and sensitivity have attracted increasing interests. In this paper, a highly stretchable and ultrasensitive strain sensor based on reduced graphene oxide microtubes鈥揺lastomer is fabricated by a template induced assembly and followed a polymer coating process. The sensors can be stretched in excess of 50% of its original length, showing long-term durability and excellent selectivity to a specific strain under various disturbances. The sensitivity of this sensor is as high as 630 of gauge factor under 21.3% applied strain; more importantly, it can be easily modulated to accommodate diverse requirements. Implementation of the device for gauging muscle-induced strain in several biological systems shows reproducibility and different responses in the form of resistance or current change. The developed strain sensors show great application potential in fields of biomechanical systems, communications, and other related areas.