Molybdenum ditelluride
Molybdenum(IV) telluride, molybdenum ditelluride or just molybdenum telluride is a compound of molybdenum and tellurium with formula MoTe2, corresponding to a mass percentage of 27.32% molybdenum and 72.68% tellurium.
| Names | |
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| IUPAC name
bis(tellanylidene)molybdenum | |
| Other names
molybdenum(IV) telluride | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.031.832 |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| MoTe 2 | |
| Molar mass | 351.14 g/mol |
| Appearance | black/lead-gray solid |
| Density | 7.7 g/cm3 |
| Melting point | decomposes |
| insoluble | |
| Solubility | decomposed by nitric acid insoluble in non-oxidising acids |
| Band gap | 1.1 eV (direct, monolayer) 0.9 eV (indirect, bulk) |
| Structure | |
| hP6, P63/mmc, No. 194 (α or 2H) | |
| Related compounds | |
Other anions |
molybdenum(IV) oxide molybdenum disulfide molybdenum diselenide |
Other cations |
tungsten ditelluride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
(what is ?)
Infobox references | |
It can crystallise in two dimensional sheets which can be thinned down to monolayers that are flexible and almost transparent. It is a semiconductor, and can fluoresce. It is part of a class of materials called transition metal dichalcogenides. As a semiconductor the band gap lies in the infrared region. This raises the potential use as a semiconductor in electronics or an infrared detector.
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