Ming Zhou1 Qjaoqiang Gan2 Zongfu Yu1

1, University of Wisconsin, Madison, Wisconsin, United States
2, University of Buffalo, Buffalo, New York, United States

We analyze the acceleration of water condensation by using radiative passive cooling. We show that water production can be enhanced by using novel photonic coating that suppresses sunlight absorption while maintaining a high emissivity in the mid-infrared spectrum regime.