Add to Cart CuTlS Crystal Copper Thallium Sulfide MSRP: Now: $790.00 Was: The properties of CuTlS crystals Copper thallium sulfide (CuTlS or CTS) is a ternary layered material with band gap ranging from 0.3 - 0.7 eV. Owing to their recent discovery, their electronic,... blk-CuTlS MSRP: Now: $790.00 Was: Add to Cart Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $790.00 Was: Subtotal: Add to Cart