In the pursuit of squeezing more current from a solar cell, Harvard spin-off SiOnyx is using lasers.
The company today announced third-party tests found its Black Silicon laser texturing process increases the efficiency of traditional silicon cells by 0.3 percent. That may sound minor, but it takes solar manufacturers about a year to achieve that sort of gain through process changes, said Chris Vineis, director of solar technology at SiOnyx.
The company plans to license its technology, which essentially scans a pattern on the surface of solar-grade silicon, to solar manufacturers. In traditional solar production, pure silicon is sliced … Read more