太阳能驱动界面水蒸发装置可将吸收的太阳辐射能量定位到光热转换材料的上表面,使太阳能加热表面少量的水产生水蒸汽这一过程发生在光热转换材料表面的薄层空气与水的界面处。与传统对整个水体加热获取淡水资源的技术相比具有光热转化效率高,所用能源为清洁、可再生太阳能等优点正受到越来越多的关注。由于光热转换材料在太阳能驱动水蒸发装置中发挥着至关重要的作用,对不同材料的光热转换原理进行了简介,重点对金属纳米材料、半导体材料、碳基材料和有机聚合物材料在太阳能驱动界面水蒸发装置中的研究与应用进行了综述,并对光热转换材料在海水淡化领域的发展趋势进行了展望。
The solar-driven interfacial water evaporation device can locate the absorbed solar radiation energy to the upper surface of the photothermal conversion materials,so that the solar energy can heat a small amount of water on the surface to produce water vapor.This process occurs at the interface between the thin layer of air and water on the surface of the photothermal conversion materials.Compared with the traditional technology of heating the whole water body to obtain fresh water resources,it has the advantages of high photothermal conversion efficiency and renewable solar energy,which is attracting more and more attention.As photothermal conversion materials play an important role in solar-driven water evaporation devices,this paper briefly introduced the photothermal conversion principles of different materials,focusing on the research and application of metal nano materials,semiconductor materials,carbon based materials and organic polymer materials in solar-driven interfacial water evaporation devices,and prospected the development trend of photothermal conversion materials in the field of seawater desalination.
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基金资助
甘肃省科技计划项目(21JR1RA215);中央高校基本科研业务费专项资金资助(31920190088)
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