Nanoparticle based spray on solar cells are cheap to make through new process

10/05/2013 - 00:00

Silicon-free solar cells, light and flexible enough to roll up or use as window blinds, are under development at a University of Alberta lab.  The solar cells are made using nanoparticles — microscopic particles just 30 to 40 atoms across — that are very cheap to produce from zinc and phosphorus.