This review summarizes the progress of MXene-based photocatalytic composites in energy and environment.With the increasing energy crisis and environmental pollution problems,photocatalysis has attracted increasing attention as a green and sustainable solution.Transition metal carbides and nitrides(MXene)have become the next generation of two-dimensional(2D)materials due to their superior physi-cochemical properties,have great potential for applications in photocatalysis.The applications of MXene matrix composites in photocatalytic hydrogen production,photocatalytic reduction of CO2,and photocata-lytic degradation of pollutants are mainly introduced.The challenges and potential directions for perfecting the photocatalytic applications of MXene materials are discussed.
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