High-Porosity Foam-Based Iontronic Pressure Sensor with Superhigh Sensitivity of 9280 kPa−1

Nano-Micro Letters

Zhiguang Liu¹  Chuan Fei Guo²  Junli Shi²  Quan Wang³  Yuan Liu⁴  Qingxian Liu⁵ 

[1] Department of Materials Science and Engineering, Southern University of Science and Technology, 518055, Shenzhen, People’s Republic of China;Department of Mechanical Engineering, Massachusetts Institute of Technology, 02139, Cambridge, MA, USA;Department of Materials Science and Engineering, Southern University of Science and Technology, 518055, Shenzhen, People’s Republic of China;Guangdong Provincial Key Laboratory of Functional Oxide Materials and Devices, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, People’s Republic of China;Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, People’s Republic of China;Department of Civil and Environmental Engineering, Shantou University, 515063, Shantou, Guangdong, People’s Republic of China;Department of Physics and TcSUH, University of Houston, 77204, Houston, TX, USA;320 Crescent Village Circle Unit 1413, 95134, San Jose, CA, USA;School of Astronautics, Harbin Institute of Technology, 150001, Harbin, Heilongjiang, People’s Republic of China;Department of Materials Science and Engineering, Southern University of Science and Technology, 518055, Shenzhen, People’s Republic of China;Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, People’s Republic of China;Guangdong Provincial Key Laboratory of Functional Oxide Materials and Devices, Southern University of Science and Technology, 518055, Shenzhen, Guangdong, People’s Republic of China;

关键词: High porosity;    Elastic modulus;    Compression deformation;    Iontronic pressure sensor;    Superhigh sensitivity;   

DOI  :  10.1007/s40820-021-00770-9

来源: Springer

【 摘 要 】

tsHigh porosity and low modulus of the active layer are found to contribute to high sensitivity in a capacitive pressure sensor.Pressure sensor achieves a superhigh sensitivity of 9280 kPa-1 by using polyurethane-ionic liquid foam with a high porosity (95.4%) and a low modulus (3.4 kPa).

【 授权许可】

CC BY