期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 34, 页码 22501-22505出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b06290
关键词
strain gauge; rGO; direct GO patterning; shear alignment; high sensitivity; flexible substrate
资金
- Monash University
- Monash Centre for Atomically Thin Materials
Ultrasensitive flexible strain sensors were developed through the combination of shear alignment of a high concentration graphene oxide (GO) dispersion with fast and precise patterning of multiple rectangular features on a flexible substrate. Resistive changes in the reduced GO films were investigated under various uniaxial strain cycles ranging from 0.025 to 2%, controlled with a motorized nanopositioning stage. The devices uniquely combine a very small detection limit (0.025%) and a high gauge factor with a rapid fabrication process conducive to batch production.
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