Research Progress and Challenges in Infrared Applications of MXene Materials
MXene is a two-dimensional transition metal carbon/nitrogen compound or carbon-nitrogen compound obtained from MAX phase materials by chemical etching followed by ultrasonic or intercalation treatment.It has the properties of two-dimensional atomic layer structure,abundant components,metallic conductivity,large specific surface area and active surface,etc.It has distinct infrared absorption in the near-infrared and mid\far-infrared bands,and has attracted extensive attention from researchers in recent years in a number of infrared applications,such as infrared camouflage,photothermal conversion,and photovoltaic effect.In this paper,the properties of MXene materials in the infrared band are reviewed in detail,including the high absorbance and localized surface plasmon resonance effect in the near-infrared band and the infrared low-emission properties in the mid/far-infrared band.Further based on its infrared properties,the research progress of its applications in popular fields such as infrared camouflage,broadband absorber,passive radiant heating,photothermal conversion and photovoltaic effect is summarized.Finally,the main problems of the current research on MXene materials in the infrared field and the future development direction are prospected.
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