Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 10, Issue 5, Pages 1594-1605Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1tc05304c
Keywords
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Funding
- Huazhong University and Science and Technology [2021-32]
- College students' Innovation and Entrepreneurship Training Program from Huazhong University and Science and Technology
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This article introduces the working principles, device structure and materials of flexible capacitive pressure sensors, as well as strategies to improve their sensitivity and their applications in wearable electronic devices. In addition, the current challenges and future research directions of flexible capacitive pressure sensors are also discussed.
Flexible pressure sensors have attracted more and more attention recently due to their broad applications, such as in electronic skin and wearable electronics for health monitoring. Among them, capacitive flexible pressure sensors stand out because of their unique properties, including energy efficiency, simple device structure and fabrication with low costs. In order to realize wearable electronic devices for health monitoring, the target of researchers is to design and fabricate capacitive pressure sensors with high sensitivity, fast response and excellent stability. Therefore, it is crucial to understand the current research progress of flexible capacitive pressure sensors. In this work, we will illustrate the working principles, device structure and materials for each component, strategies to improve the sensitivity of capacitive pressure sensors as well as their applications in wearable electronic devices. In addition, the current challenges and future research directions of flexible capacitive pressure sensors will also be proposed.
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