A photovoltaic device and methods for forming the same. In one embodiment, the photovoltaic device has a silicon substrate, and a film comprising a plurality of single wall carbon nanotubes disposed on the silicon substrate, wherein the plurality of single wall carbon nanotubes forms a plurality of heterojunctions with the silicon in the substrate.
STATEMENT OF FEDERALLY-SPONSORED RESEARCH
The present invention was made with Government support under Grant No. DE-FG 36-06 GO 86072 awarded by U.S. Department of Energy (DOE). The government has certain rights in the invention.