Journal
NANOSCALE
Volume 15, Issue 11, Pages 5111-5138Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2nr06084a
Keywords
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This paper reviews recent research progress in the design and application of flexible pressure sensors (FPSs) with multiple microstructures (MMSs). It summarizes the types, sensing mechanisms, and preparation methods of MMSs, and discusses their applications in human motion detection, health monitoring, and human-computer interaction. The paper also provides an outlook on the prospects and challenges for the development of FPSs.
Flexible pressure sensors (FPSs) have been widely studied in the fields of wearable medical monitoring and human-machine interaction due to their high flexibility, light weight, sensitivity, and easy integration. To better meet these application requirements, key sensing properties such as sensitivity, linear sensing range, pressure detection limits, response/recovery time, and durability need to be effectively improved. Therefore, researchers have extensively and profoundly researched and innovated on the structure of sensors, and various microstructures have been designed and applied to effectively improve the sensing performance of sensors. Compared with single microstructures, multiple microstructures (MMSs) (including hierarchical, multi-layered and hybrid microstructures) can improve the sensing performance of sensors to a greater extent. This paper reviews the recent research progress in the design and application of FPSs with MMSs and systematically summarizes the types, sensing mechanisms, and preparation methods of MMSs. In addition, we summarize the applications of FPSs with MMSs in the fields of human motion detection, health monitoring, and human-computer interaction. Finally, we provide an outlook on the prospects and challenges for the development of FPSs.
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