Copper telluride (Cu2Te) is a thermoelectric material. Its ZT values reach as high as 1.7. The product contains 1 grams of crystallize Cu2Te. Average grain size vary from 100nm up to few mm in size which makes this product ideal for both thermoelectric measurements as well as as a precursor for PVD, MBE, or CVD deposition. Please feel free to contact us for more information on this product. If you research needs large amount of the powder, coarser or finer powders please contact us.