Full-spectrum flatband photothermal evaporator with superhydrophilic vertical nanochannels for efficient solar steam generation

Key Points

• This research aims to enhance solar steam generation efficiency through advanced photothermal evaporator designs.
• Developed a flatband photothermal evaporator with superhydrophilic vertical nanochannels.
• Optimized parameters including light absorption, water supply, and thermal management for improved performance.
• Conducted tests to evaluate evaporation efficiency under solar exposure.
• The photothermal evaporator achieved a high evaporation rate of X kg/m²/h under solar irradiation, significantly outperforming conventional methods.
• Demonstrated improved water supply with a reduction in evaporation time by Y minutes with the use of vertical nanochannels.