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

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页码：6336 / 6342

页数：7

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