| Names | |
|---|---|
| IUPAC name Copper(I) telluride | |
| Identifiers | |
| CAS Number | |
| 3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.031.484 
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| EC Number |
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| PubChem CID | |
| CompTox Dashboard (EPA) | |
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| Properties | |
| Chemical formula | Cu2Te |
| Molar mass | 254.69 g/mol |
| Appearance | Blue crystals |
| Density | 4.6 g/cm |
| Melting point | 1,127 °C (2,061 °F; 1,400 K) |
| Solubility in water | insoluble |
| Structure | |
| Crystal structure | Hexagonal, hP6 |
| Space group | P6/mmm (No. 191) |
| Lattice constant | a = 0.419 nm, c = 0.729 nm |
| Formula units (Z) | 2 |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |
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. Cu2Te has potential applications in thermoelectric elements and in solar cells, where it is alloyed with cadmium telluride to create a heterojunction.
References
- ^ Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 4.60. ISBN 9781498754293.
- 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.
- 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.
- Sharma, B. L.; Purohit, R. K. (1974). Semiconductor heterojunctions. Oxford: Pergamon Press. p. 174. ISBN 978-1-4832-8086-8. OCLC 742483550.
| Copper compounds | |
|---|---|
| Cu(0,I) | |
| Cu(I) | |
| Cu(I,II) | |
| Cu(II) | |
| Cu(III) | |
| Cu(IV) | |
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