Abstract
Wearable sensing technology is receiving great attention due to potential applications in smart electronic devices, which requires the sensors own high sensitivity and flexibility at the same time. In present work, we fabricated piezoresistive sensors with the carbonized melamine foam (CMF) and silver nanowires (AgNWs). The CMF and AgNWs interlace and contact each other to form 3D network structures, thus increasing the conductive path. The CMF provided porous skeleton with elasticity. Due to the synergic effect of CMF and AgNWs, the prepared AgNWs@CMF piezoresistive sensor achieved a high sensitivity (4.97 kpa−1 at 30–50 kpa) and excellent stability during cycles within 4000 s (1000 times). Based on the sensor performance tests, it is proved that the AgNWs@CMF pressure sensor can be used to monitor different positions of the human body. This work provided a new opportunity to manufacture CMF based piezoresistive sensors with high-performance in future development of electronic skin.
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This research was supported by grants from the National Natural Science Foundation of China (No. 62004015 and 62004014), Science and Technology Research Project of Jilin Provincial Department of Education (JJKH20210735KJ)
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Cai, B., Wang, L., Yu, F. et al. Compressible piezoresistive pressure sensor based on Ag nanowires wrapped conductive carbonized melamine foam. Appl. Phys. A 128, 6 (2022). https://doi.org/10.1007/s00339-021-05143-y
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DOI: https://doi.org/10.1007/s00339-021-05143-y