Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The self-cleaning performance and temperature with and without dust under 1-sun illumination. (A and B) The schematic and experiment of the self-cleaning process. Sands were used to demonstrate the self-cleaning property. The sands were easily taking away by the rolling water droplet. (C and D) Infrared camera images of the PSCS under 1 sun before (C) and after (D) self-cleaning. (Scale bars: 1 cm.)
