光热转换材料可以将可再生的太阳能高效转换为热能,并在海水淡化、废水净化等领域取得了良好效果,但受限于材料本身的性质缺陷,难以大规模应用。最近的研究表明,超疏水特性可防止污染物附着在材料表面的光热位点,研究者通过超疏水改性,赋予了光热转换材料以优异的自清洁性能。该创新策略极大地提高了光热转换材料的稳定性和持久性,为光热转换材料的实际推广应用提供了可能性。详细介绍了超疏水改性的方法、过程和机理,并重点综述了超疏水光热转换材料的最新研究进展和应用案例。最后,辩证分析了超疏水光热转换材料面临的挑战以及优化策略,进一步展望了超疏水光热转换材料的发展趋势和工程应用前景。
Photothermal conversion materials can efficiently convert renewable solar energy into thermal energy,and have achieved good results in water desalination and wastewater purification,but they are limited by the defects of the materials' inherent properties,which make them difficult to be applied on a large scale.Recent studies have shown that superhydrophobic properties can prevent pollutants from adhering to the photothermal sites on the material surface.Researchers have endowed the photothermal conversion materials with excellent self-cleaning properties through superhydrophobic modification.This innovative strategy greatly improves the stability and durability of the photothermal conversion materials and provides the possibility for the practical application of photothermal conversion materials.In this paper,the method,process and mechanism of superhydrophobic modification were introduced in detail,and the latest research progress and application cases of superhydrophobic photothermal conversion materials were reviewed in focus.Finally,the challenges and optimization strategies of superhydrophobic photothermal conversion materials were dialectically analyzed,and the development trend and engineering application prospects of superhydrophobic photothermal conversion materials were further discussed.
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