Journal
ADVANCED INTELLIGENT SYSTEMS
Volume 3, Issue 9, Pages -Publisher
WILEY
DOI: 10.1002/aisy.202100056
Keywords
electronic skin; human-robot remote control; laser-induced graphene; strain sensors; water resistance
Funding
- National Key R&D Program of China [2017YFB1002900]
- National Natural Science Foundation of China (NSFC) [61775035, 61805037, 61875241, 11734005]
- Natural Science Foundation of Jiangsu Province [BK20181268]
- National Natural Science Foundation of China [62075040]
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This study presents a waterproof wearable sensor composed of laser-induced graphene and protective silicone layers, integrated with high-capacitance ion-gel dielectrics for detecting multiple stimuli with good mechanical robustness and long-term underwater stability.
Wearable sensors with water resistance and mechanical durability are of great value in dealing with long-term movement and remote control in harsh environments. However, achieving high sensitivity with long-term stability and real-time remote control in a watery environment is still a challenge. Herein, the waterproof wearable sensors with good mechanical robustness composed of laser-induced graphene and in situ-coated protective silicone layers are reported. By being integrated with high-capacitance ion-gel dielectrics, the conformal sensors can detect multiple stimuli, including strain, temperature, and pressure. The long-term water resistance of strain sensors is evaluated by continuously monitoring the resistance in underwater, sweat, and saline environment for up to 5.5 h. Underwater wireless remote control of a robotic hand is further demonstrated by mounting five sensor arrays. Moreover, different finger gestures are well recognized, making these sensor devices promising candidates for versatile waterproof wearable electronics and robotics technology.
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