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Review Article

Recent progress of diversiform humidity sensors based on versatile nanomaterials and their prospective applications

Dongzhi Zhang1( ), Mengyu Wang1, Mingcong Tang1, Xiaoshuang Song1, Xixi Zhang1, Zhanjia Kang1, Xiaohua Liu1, Jianhua Zhang1, Qingzhong Xue2( )
State Key Laboratory of Heavy Oil Processing, College of Control Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
State Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
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Graphical Abstract

Diversiform humidity sensors based on versatile nanomaterials demonstrated great prospective applications in various fields.

Abstract

Humidity sensors are of significance in various fields, such as environmental and food quality monitoring, industrial processing, wearable and flexible electronics, and human health care. High-performance humidity sensors with high sensitivity, rapid response time, and good stability are of paramount importance in humidity sensing. In this paper, diversiform humidity sensors with different sensing mechanisms are summarized, including resistive, impedance, capacitive, quartz crystal microbalance (QCM), surface acoustic wave (SAW), field-effect transistor (FET), and optical fiber humidity sensors. Versatile nanomaterials such as graphene, transition-metal chalcogenide, MXenes, black phosphorus (BP), boron nitride (BN), polymers, and nanofibers were promising building-blocks for constructing humidity sensors. The latest progress in the wearable and flexible humidity sensors, and self-powered humidity sensors was summarized. The diversiform applications of the humidity sensors with great prospects were demonstrated in various fields in terms of human respiratory monitoring, skin dryness diagnosing, fingertip approaching, and non-contact switch. Moreover, the challenges and prospects of nanomaterials-based humidity sensors were discussed.

Keywords

humidity sensorsnanomaterialswearable humidity sensorsself-powered humidity sensorshuman respiratory monitoring

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Nano Research
Volume 16 Issue 10,
October 2023
Pages 11938-11958
DOI: 10.1007/s12274-022-4917-y
Cite this article:
Zhang D, Wang M, Tang M, et al. Recent progress of diversiform humidity sensors based on versatile nanomaterials and their prospective applications. Nano Research, 2023, 16(10): 11938-11958. https://doi.org/10.1007/s12274-022-4917-y
Topics:
Humidity sensors
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Received: 23 June 2022
Revised: 23 June 2022
Accepted: 09 August 2022
Published: 27 September 2022
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