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Abstract
Artificial electronic skin and wearable sensor are mainly based on the technology of flexible sensors responding to environmental stimuli. This research develops a new elastomer of starch-polyvinyl alcohol double network with high flexibility and sensing capability. The starch-polyvinyl alcohol elastomer (SPE) enables accurate monitoring of strain, temperature and humidity changes with high precision. The gauge factor of SPE for strain reached 1.67, and the sensitivities to temperature and humidity reached 8.48 × 10 −6 S/cm per Celsius degree and 9.9 × 10 −6 S/cm per RH%, respectively. These characteristics make SPE a promising candidate for artificial electronic skin and wearable sensors.
Additional information
Funding
The authors would like to thank National Natural Science Foundation of China (Project No.81622032 and 51672184), the Principal Project of Natural Science Research of Jiangsu Higher Education Institutions (No.17KJA180011) and Jiangsu Innovation and Entrepreneurship Program, the Priority Academic Program Development of Jiangsu High Education Institutions (PAPD).