A Microstructured Graphene/Poly(N‐isopropylacrylamide) Membrane for Intelligent Solar Water Evaporation

: Intelligent solar water evaporation (iSWE) was achieved with a thermally responsive and microstructured graphene/poly(N-isopropylacrylamide) (mG/PNIPAm) membrane. As the solar intensity varies, the water evaporation is tuned through reversible transformations of microstructures reminiscent of the stomatal opening and closing of leaves. Consequently, this mG/PNIPAm membrane displays a high water evaporation rate change (ΔWER) of 1.66 kg m-2  h-1 under weak sunlight (intensity<1 sun) and a low ΔWER of 0.24 kg m-2  h-1 under intense sunlight (1 sun

Keywords:

• Evaporation
• Polymer
• Poly(N-isopropylacrylamide)
• Graphene
• Organic chemistry
• Membrane
• Inorganic chemistry
• Chemistry
• Irradiation
• Chemical engineering
• Microstructure
• Smart material

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