Copper(I) telluride is an inorganic compound with the chemical formula Cu<sub>2</sub>Te. It can be synthesized by reacting elemental copper and tellurium with a molar ratio of 2:1 at 1200 ðC in a vacuum. Cu<sub>2</sub>Te has potential applications in thermoelectric elements and in solar cells, where it is alloyed with cadmium telluride to create a heterojunction.