Research progress of flexible textile pressure sensor based on MXene
Significance As intelligent wearable technology has developed,flexible pressure sensors have become widely used in textiles.Compared with previous sensors,it has light weight,bendability,small thickness and good flexibility.This means it plays a crucial role in the monitoring of human physiological activities,health movement,disease detection,human-computer interaction and other fields.For flexible sensors,active materials with high electrical conductivity and support materials with significant flexibility are selected to obtain ideal electrical conductivity and high ductility.In recent years,MXene,a two-dimensional layered structural material with excellent electrical conductivity,large surface area and an exceptional layered structure,has been widely used in medical monitoring,robotics,human-computer interaction and other fields.Progress The research progress of flexible textile pressure sensors based on MXene in recent years is reviewed.The excellent performance of MXene has potential application prospects in various fields.Different preparation methods may lead to significant differences in the performance of the prepared MXene.Therefore,the preparation method of MXene is introduced.That is,hydrofluoric acid(HF)etching,in situ hydrofluoric acid(HF)etching,molten salt etching,concentrated alkali method,solution phase flocculation method,electrochemical method and hydrothermal method.Then the main mechanism of MXene materials in piezoresistive,capacitive,piezoelectric and triboelectric pressure sensors is analyzed,and different flexible sensors based on MXene materials are listed.Finally,the classification and performance of its applications are discussed,including health and motion monitoring,human-computer interaction and spatial haptic mapping of integrated arrays.Conclusion and Prospect It is reported that multi-functional flexible sensors made from MXene materials have great potential in the fields of human motion monitoring,disease prediction,health monitoring and human-computer interaction.Although the research of MXene-based flexible sensor has made excellent progress,it still has some shortcomings,such as short working life and few functional characteristics,and faces great challenges in the future practical application.Through summary and analysis,it is concluded that the future research development direction can be developed from the following three aspects:1)The working life needs to be extended.The practical realization of flexible pressure sensors in health and medical monitoring,human-computer interaction and other fields needs to improve the service life of functional devices,which is related to the durability,mechanical stability and chemical stability of devices;2)More characteristics should be given,such as biodegradability and biocompatibility should be added in the medical field;3)Large area integrated array is an urgent development direction for robot and interactive human-machine interface applications.
万方数据
维普
