Cheap and inexhaustible electricity production remains one of the Holy Grails of the green movement, with solar running neck and neck with wind in its ability to inspire innovation. Here’s an example: Conventional solar cells are made of silicon, a brittle substance that requires a solid backing.
But recently, Xiaomei Jiang from the University of South Florida has announced the development of the tiniest solar cells ever produced — cells made from an organic polymer that is able to be dissolved and painted onto any surface that is exposed to the sun.

DownToEarthNW.com: Green Minute stories