A Facile Approach to Fabricate QCM Humidity Sensor Based on Molybdenum Disulfide/ Cellulose Nanocrystal Thin Film

被引：0
|
作者：
Song, Jianwen [1 ]
Liang, Lei [1 ]
Yong, Xiao [1 ]
Chen, Xinpeng [2 ]
Zhu, Shibu [3 ]
Wu, Zuquan [1 ]
机构：
[1] Xihua Univ, Sch Elect Engn & Elect Informat, Chengdu 611739, Sichuan, Peoples R China
[2] Chengdu Technol Univ, Sch Network & Commun Engn, Chengdu 611730, Sichuan, Peoples R China
[3] Xian Res Inst Aerosp Composite Mat, Xian 710025, Peoples R China
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2024年
关键词：
Humidity; Nanocomposites; Sensitivity; Vibrations; Powders; Electrodes; Sensors; Humidity sensor; Langmuir isotherm adsorption model; molybdenum disulfide (MoS (2) )/cellulose nanocrystal (CNC) nanocomposite; quartz crystal microbalance (QCM); thin film; ADSORPTION-KINETICS; SENSITIVITY; ZNO;
D O I：
10.1109/TED.2024.3446744
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this article, molybdenum disulfide (MoS2)/cellulose nanocrystal (CNC) nanocomposites are coatedon silver electrodes of the quartz crystal microbalance(QCM) by the drop-coating method for humidity sensing.The performance of QCM humidity sensors of MoS2, CNC,and MoS2/CNC thin films is investigated in the relativehumidity (RH) range of 11.31%-97.59%. The experimentalresults reveal that MoS2/CNC humidity sensor has highsensitivity (ca. 36.03 Hz/%RH), which is higher than CNC(ca. 1.25 times) and MoS2(ca. 2.5 times). Meanwhile, thesensor has excellent repeatability, high stability, and lowhumidity hysteresis (ca. 3.3%RH). Moreover, the Langmuirisotherm adsorption model is also used to investigatethe humidity-sensitive mechanism of MoS2/CNC humiditysensors. In addition, MoS2/CNC humidity sensor can bewell applicable for respiration monitoring which has goodapplication prospect.
引用
收藏
页码：6336 / 6342
页数：7
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