Journal
ACS NANO
Volume 15, Issue 3, Pages 3996-4017Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.1c00248
Keywords
Ti3C2TX MXene; strain/stress sensors; gas sensors; electrochemical sensors; optical sensors; humidity sensors; design principles; sensing mechanisms
Categories
Funding
- National Natural Science Foundation of China [21975123, 61704076]
- Natural Science Basic Research Program of Shaanxi [2020JM-092]
- Six Talent Peaks Project in Jiangsu Province [XCL-024]
- Postgraduate Research and Practice Innovation Program of Jiangsu Province [SJCX20_0401, KYCX20_0997]
- Fundamental Research Funds for the Central Universities
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With the rapid development of electronic and information technologies, sensors are becoming increasingly important in daily life, with MXene emerging as a promising 2D material with great potential in the field of sensors.
Sensors are becoming increasingly significant in our daily life because of the rapid development in electronic and information technologies, including Internet of Things, wearable electronics, home automation, intelligent industry, etc. There is no doubt that their performances are primarily determined by the sensing materials. Among all potential candidates, layered nanomaterials with two-dimensional (2D) planar structure have numerous superior properties to their bulk counterparts which are suitable for building various high-performance sensors. As an emerging 2D material, MXenes possess several advantageous features of adjustable surface properties, tunable bandgap, and excellent mechanical strength, making them attractive in various applications. Herein, we particularly focus on the recent research progress in MXene-based sensors, discuss the merits of MXenes and their derivatives as sensing materials for collecting various signals, and try to elucidate the design principles and working mechanisms of the corresponding MXene-based sensors, including strain/stress sensors, gas sensors, electrochemical sensors, optical sensors, and humidity sensors. In the end, we analyze the main challenges and future outlook of MXene-based materials in sensor applications.
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