Issue 42, 2021

Recent advances in humidity sensors for human body related humidity detection

Abstract

For a long time, humidity sensors have been mainly used in detecting humidity of ambient conditions, such as industry, agriculture, and smart home. With the development of wearable electronic systems, humidity sensors have attracted great attention in human body-related (HBR) humidity detection (such as respiratory behavior, speech recognition, skin moisture, non-contact switch, and diaper monitoring). Therefore, significant efforts have been recently devoted to the development of HBR humidity sensors. Although remarkable achievements have been made in this field, many challenges still exist. Herein, we review and analyze the recent advances in HBR humidity sensors. Initially, we introduced the basic concept. Then, the various applications of humidity sensors for HBR humidity detection are systematically summarized and discussed. Finally, combined with the research progress of the HBR humidity sensor, the challenges in this field are prospected. We expect that this critical review will provide great insight and direct the research prospectus of the HBR humidity sensors.

Graphical abstract: Recent advances in humidity sensors for human body related humidity detection

Article information

Article type
Review Article
Submitted
03 sep 2021
Accepted
30 sep 2021
First published
06 okt 2021

J. Mater. Chem. C, 2021,9, 14963-14980

Recent advances in humidity sensors for human body related humidity detection

Z. Duan, Y. Jiang and H. Tai, J. Mater. Chem. C, 2021, 9, 14963 DOI: 10.1039/D1TC04180K

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