- Cells are about 1.5 percent to 2 percent efficient at converting sunlight to electricity
- Coating paper with organic semiconductor material could pave way for lower weight of solar panels
- Printed solar cells are in the research phase and are years from being commercialized
MIT researchers print solar cell on paper
http://www.cnn.com/2010/TECH/05/06/cnet.mit.print.solar.cell/index.html?npt=NP1