Add to Cart Bi2O2Se Crystal Bismuth Oxide Selenide MSRP: Now: $620.00 Was: Bi2O2Se belongs to M2X3 bismuth chalcogen tetradymite family of layered materials. It has been found to be a promising high thermal velocity ballistic semiconductor replacing silicon. Our... BLK-Bi2O2Se MSRP: Now: $620.00 Was: Add to Cart Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $620.00 Was: Subtotal: Add to Cart