Tiny Solar Cells Made From Polymer Not Silicon Are Applied Like Paint
Researchers at the University of South Florida have built some of the tiniest solar cells ever made from organic material and they can be applied like paint on to surfaces.
They have pulled 11 volts of electricity from a small array of the cells, which are each just a quarter of the size of a grain of white rice.
They could be sprayed on any surface that is exposed to sunlight, like a uniform, a car, or a house.
Because it is in a solution, you can design a special spray gun where you can control the size and thickness.
Most solar cells are made up of silicon wafers, a brittle substance that limits where they can be placed.
The main components are carbon and hydrogen — materials that are present in nature and are environmentally friendly.
Published in the Journal of Renewable and Sustainable Energy.

