Highly Stretchable and Sensitive Strain Sensor Based on Silver Nanowire-Elastomer Nanocomposite

被引:2042
作者
Amjadi, Morteza [1 ,2 ,3 ]
Pichitpajongkit, Aekachan [1 ,2 ]
Lee, Sangjun [4 ]
Ryu, Seunghwa [1 ,2 ]
Park, Inkyu [1 ,2 ,3 ]
机构
[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, KI NanoCentury, Taejon 305701, South Korea
[3] Korea Adv Inst Sci & Technol, Mobile Sensor & IT Convergence MOSAIC Ctr, Taejon 305701, South Korea
[4] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
基金
新加坡国家研究基金会;
关键词
strain sensor; flexible sensor; stretchable sensor; silver nanowire; nanocomposite; piezoresistivity; human motion detection; SOLAR-CELLS; TRANSPARENT; ELECTRODE; LAYER; FILMS;
D O I
10.1021/nn501204t
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The demand for flexible and wearable electronic devices is increasing due to their facile interaction with human body. Flexible, stretchable and wearable sensors can be easily mounted on clothing or directly attached onto the body. Especially, highly stretchable and sensitive strain sensors are needed for the human motion detection. Here, we report highly flexible, stretchable and sensitive strain sensors based on the nanocomposite of silver nanowire (AgNW) network and PDMS elastomer in the form of the sandwich structure (i.e., AgNW thin film embedded between two layers of PDMS). The AgNW network-elastomer nanocomposite based strain sensors show strong piezoresistivity with tunable gauge factors in the ranges of 2 to 14 and a high stretchability up to 70%. We demonstrate the applicability of our high performance strain sensors by fabricating a glove Integrated with five strain sensors for the motion detection of fingers and control of an avatar in the virtual environment.
引用
收藏
页码:5154 / 5163
页数:10
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