This is not quite correct. Silicon solar cells have a maximum efficiency of 32%. Various ways, such as using e.g Carbon Nanotubes as Antennas to directly rect

This is not quite correct. Silicon solar cells have a maximum efficiency of 32%. Various ways, such as using e.g Carbon Nanotubes as Antennas to directly rectify visible light (http://NovaSolix.Com http://NovaSolix.Com) may eventually yield much higher overall efficiencies.