This comparison shows the performance and characteristics of seven flexible capacitive pressure sensors based on different materials. In addition to their sensitivity, the fabrication process and evaluation tests performed are also described as well as some potential applications.
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Wei, Peiqi, Xiaoliang Guo, Xianbo Qiu, and Duli Yu. “Flexible Capacitive Pressure Sensor with Sensitivity and Linear Measuring Range Enhanced Based on Porous Composite of Carbon Conductive Paste and Polydimethylsiloxane.” Nanotechnology 30, no. 45 (August 21, 2019): 455501. doi:10.1088/1361-6528/ab3695.
Yang, Xiaofeng, Yishou Wang, and Xinlin Qing. “A Flexible Capacitive Sensor Based on the Electrospun PVDF Nanofiber Membrane with Carbon Nanotubes.” Sensors and Actuators A: Physical 299 (November 2019): 111579. doi:10.1016/j.sna.2019.111579.
Zhu, Yuchao, Yigen Wu, Guangshun Wang, Zhongbao Wang, Qiulin Tan, Libo Zhao, and Dezhi Wu. “A Flexible Capacitive Pressure Sensor Based on an Electrospun Polyimide Nanofiber Membrane.” Organic Electronics 84 (September 2020): 105759. doi:10.1016/j.orgel.2020.105759.
Jung, Young, Wookjin Lee, Kyungkuk Jung, Byunggeon Park, Jinhyoung Park, Jongsoo Ko, and Hanchul Cho. “A Highly Sensitive and Flexible Capacitive Pressure Sensor Based on a Porous Three-Dimensional PDMS/Microsphere Composite.” Polymers 12, no. 6 (June 24, 2020): 1412. doi:10.3390/polym12061412.
Thouti, Eshwar, Atmakuru Nagaraju, Achu Chandran, P.V.B.S.S Prakash, P Shivanarayanamurthy, Banwari Lal, Prem Kumar, Prateek Kothari, and Deepak Panwar. “Tunable Flexible Capacitive Pressure Sensors Using Arrangement of Polydimethylsiloxane Micro-Pyramids for Bio-Signal Monitoring.” Sensors and Actuators A: Physical 314 (October 2020): 112251. doi:10.1016/j.sna.2020.112251.
Hwang, Juwon, Yeongjun Kim, Hyeondong Yang, and Je Hoon Oh. “Fabrication of Hierarchically Porous Structured PDMS Composites and Their Application as a Flexible Capacitive Pressure Sensor.” Composites Part B: Engineering 211 (April 2021): 108607. doi:10.1016/j.compositesb.2021.108607.