Nanotech membrane to Desalinate Water with Solar Power

https://youtu.be/z36jMKk-AdQ

"By adding low-cost, commercially available nanoparticles to a porous membrane, NEWT has essentially turned the membrane itself into a one-sided heating element that alone heats the water to drive membrane distillation."

"6 liters per hour per square meter" 

https://www.theinertia.com/environment/this-team-of-researchers-just-figured-out-how-to-desalinate-water-with-solar-power/