How do they do it? With a triple junction compound solar cell that uses three photo absorption layers made from elements like indium and gallium. I’ll leave it to the physical chemistry geniuses among you to explain exactly what that means in the comments.
You might have heard of efficiency ratings that climb into the 40 per cent range. Sharp even lists one in their press release. To clarify, those are different tests. Apparently there’s a distinction made in efficiency ratings between concentrated and unfocused light. The more you know, right?
Don’t expect to be covering your house in these soon, they’re meant for use in satellites. [Akihabara via Engadget]