Copper(I) telluride

Copper(I) telluride
Names
IUPAC name
Copper(I) telluride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.484 Edit this at Wikidata
EC Number
  • 234-646-1
  • InChI=1S/2Cu.Te
    Key: MZEWONGNQNXVKA-UHFFFAOYSA-N
  • [Cu][Te][Cu]
Properties
Cu2Te
Molar mass 254.69 g/mol
Appearance Blue crystals
Density 4.6 g/cm3[1]
Melting point 1,127 °C (2,061 °F; 1,400 K)[1]
insoluble
Structure[2]
Hexagonal, hP6
P6/mmm (No. 191)
a = 0.419 nm, c = 0.729 nm
2
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Copper(I) telluride is an inorganic compound with the chemical formula Cu2Te. It can be synthesized by reacting elemental copper and tellurium with a molar ratio of 2:1 at 1200 °C in a vacuum.[3] Cu2Te has potential applications in thermoelectric elements and in solar cells, where it is alloyed with cadmium telluride to create a heterojunction.[4]

References

  1. ^ a b Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 4.60. ISBN 9781498754293.
  2. ^ Blachnik, R.; Lasocka, M.; Walbrecht, U. (1983). "The system copper-tellurium". Journal of Solid State Chemistry. 48 (3): 431–438. Bibcode:1983JSSCh..48..431B. doi:10.1016/0022-4596(83)90102-0.
  3. ^ Miyatani, Shin-ya; Mori, Senzi; Yanagihara, Mihiro (1979). "Phase Diagram and Electrical Properties of Cu2-δTe". Journal of the Physical Society of Japan. 47 (4): 1152–1158. Bibcode:1979JPSJ...47.1152M. doi:10.1143/JPSJ.47.1152.
  4. ^ Sharma, B. L.; Purohit, R. K. (1974). Semiconductor heterojunctions. Oxford: Pergamon Press. p. 174. ISBN 978-1-4832-8086-8. OCLC 742483550.
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