期刊
ACS NANO
卷 9, 期 2, 页码 2130-2137出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn507441c
关键词
stretchable electronics; wearable electronics; graphene thermistor; temperature sensor; embedded elastic conductor
类别
资金
- Singapore National Research Foundation (CREATE Programme of Nanomaterials for Energy and Water Management)
Stretchable graphene thermistors with intrinsic high stretchability were fabricated through a lithographic filtration method. Three-dimensional crumpled graphene was used as the thermal detection channels, and silver nanowires were used as electrodes. Both the detection channel and electrodes were fully embedded in an elastomer matrix to achieve excellent stretchability. Detailed temperature sensing properties were characterized at different strains up to 50%. It is evident that the devices can maintain their functionalities even at high stretched states. The devices demonstrated strain-dependent thermal indices, and the sensitivity of the thermistors can be effectively tuned using strain. The unique tunable thermal index is advantageous over conventional rigid ceramic thermistors for diverse and adaptive applications in wearable electronics
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