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Published in: Rare Metals 7/2023

18-04-2023 | Original Article

Flexible impedance sensor based on Ti3C2Tx MXene and graphitic carbon nitride nanohybrid for humidity-sensing application with ultrahigh response

Authors: Yang Lu, Meng-Yu Wang, Dong-Yue Wang, Yue-Hang Sun, Zi-Hao Liu, Rong-Ke Gao, Lian-Dong Yu, Dong-Zhi Zhang

Published in: Rare Metals | Issue 7/2023

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Abstract

This paper reported the impedance-type humidity sensor based on Ti3C2Tx/g-C3N4 nanomaterials which was fabricated on a flexible polyethylene terephthalate (PET) substrate. The scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) measurements were used to demonstrate the successful synthesis and combination of Ti3C2Tx and g-C3N4 nanomaterials. The performance of the humidity sensor was tested at room temperature. The experimental results showed that the Ti3C2Tx nanosheets with g-C3N4 nanosheets endowed the humidity sensor with an ultra-high response, rapid response/recovery time, and negligible hysteresis. The complex impedance spectroscopy (CIS) and bode diagrams were used to further analyze the sensing mechanism of the Ti3C2Tx/g-C3N4 humidity sensor. The Ti3C2Tx/g-C3N4 humidity sensor can monitor skin humidity and high-humidity alarm, which demonstrates great potential applications in various fields.

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Literature
[2]
[13]
Metadata
Title
Flexible impedance sensor based on Ti3C2Tx MXene and graphitic carbon nitride nanohybrid for humidity-sensing application with ultrahigh response
Authors
Yang Lu
Meng-Yu Wang
Dong-Yue Wang
Yue-Hang Sun
Zi-Hao Liu
Rong-Ke Gao
Lian-Dong Yu
Dong-Zhi Zhang
Publication date
18-04-2023
Publisher
Nonferrous Metals Society of China
Published in
Rare Metals / Issue 7/2023
Print ISSN: 1001-0521
Electronic ISSN: 1867-7185
DOI
https://doi.org/10.1007/s12598-023-02268-2

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