Actually, there's a way to make thinner silicon sheets; A particle accelerator bombards these wafers with hydrogen ions: http://www.extremetech.com/extreme/1222

Actually, there's a way to make thinner silicon sheets; A particle accelerator bombards these wafers with hydrogen ions: http://www.extremetech.com/extreme/122231-solar-panels-made-with-ion-cannon-are-cheap-enough-to-challenge-fossil-fuels http://www.extremetech.com/extreme/122231-solar-panels-made-...