Light (here from a red laser) hits the Light-Capturing Ribbon,
then reflects back off the surface of the glass and illuminates the silicon matrix.
An MIT researcher has found a way to significantly improve the efficiently of an important type of silicon solar cells while keeping costs about the same. The technology is being commercialized by a startup in Lexington, MA, called 1366 Technologies, which today announced its first round of funding. Venture capitalists invested $12.8 million in the company.