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摘要
Interfacial Solar Steam Generation(ISSG) is a promising technology for seawater desalination and wastewater treatment, providing an efficient, green, and low-cost method to address the globally water shortage issue. ISSG employs the green and wide-spread solar energy as the energy resource and localizes the heat converted from sunlight at the water-air interface, leading to an enhanced interfacial temperature and solar steam generation efficiency. Designing and fabricating the photothermal conversion materials with high light absorption is the key for ISSG technology. Ti3C2-MXene is a recently developed two-dimensional titanium carbide and possesses many fascinating properties, such as large specific surface area, well water-dispersibility, and high photothermal conversion ability. Therefore, Ti3C2-MXene shows promising potentials as photothermal conversion material for ISSG. The application of Ti3C2-MXene in ISSG attracts much attention and becomes one of the hottest topics in recent years. In this review, we first introduce the ISSG technology, MXene, general principles for designing photothermal materials, and then elaborate the recent research progress of Ti3C2-MXene composites for ISSG, including the design and fabrication of two-dimensional MXene films, three-dimensional MXene hydrogels or aerogels, bio-based MXene nanocomposites, etc. In the end, the promising prospects and challenges of Ti3C2-MXene for ISSG applications are discussed.
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