Novel advances in metal-based solar absorber for photothermal vapor generation |
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| Institution: | 1. Norut Northern Research Institute Narvik AS, Narvik, Norway;2. UiT, The Arctic University of Norway, Department of Physics and Technology, Tromsø, Norway;1. State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China;2. School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150090, China;3. Department of Environmental Engineering, Harbin University of Commerce, Harbin 150076, China;4. School of Ecology and Environment, Zhengzhou University, Zhengzhou 450000, China |
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| Abstract: | Access to safe drinking water has become an extremely urgent research topic worldwide. In recent years, the technology of solar vapor generation has been extensively explored as a potential and effective strategy of transforming elements content in seawater. In this review, the basic concepts and theories of metal-based photothermal vapor generation device (PVGD) with excellent optical and thermal regulatory are introduced. In the view of optical regulation, how to achieve high-efficiency localized evaporation in different evaporation system (i.e., volumetric solar heating and interface solar heating) is discussed; from the aspect of thermal regulation, the importance of selective absorption surface for interfacial PVGD is analyzed. Based on the above discussion and analysis, we summarize the challenges of metal-based desalination device. |
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| Keywords: | Solar vapor generation Plasmonic effect Optical adjustment Solar selective absorption surface Interfacial evaporation |
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