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  2. Tellurium - Wikipedia

    en.wikipedia.org/wiki/Tellurium

    Tellurium is a chemical element; it has symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur, all three of which are chalcogens. It is occasionally found in its native form as elemental crystals.

  3. Chalcogen - Wikipedia

    en.wikipedia.org/wiki/Chalcogen

    Tellurium is mostly produced as a by-product of the processing of copper. [64] Tellurium can also be refined by electrolytic reduction of sodium telluride. The world production of tellurium is between 150 and 200 metric tons per year. The United States is one of the largest producers of tellurium, producing around 50 metric tons per year.

  4. Tellurium compounds - Wikipedia

    en.wikipedia.org/wiki/Tellurium_compounds

    Tellurium compounds are compounds containing the element tellurium (Te). Tellurium belongs to the chalcogen (group 16) family of elements on the periodic table, which also includes oxygen, sulfur, selenium and polonium: Tellurium and selenium compounds are similar. Tellurium exhibits the oxidation states −2, +2, +4 and +6, with +4 being most ...

  5. Cadmium telluride - Wikipedia

    en.wikipedia.org/wiki/Cadmium_telluride

    However, tellurium is a relatively rare element (1–5 parts per billion in the Earth's crust; see Abundances of the elements (data page)). Through improved material efficiency and increased PV recycling systems, the CdTe PV industry has the potential to fully rely on tellurium from recycled end-of-life modules by 2038. [17]

  6. Isotopes of tellurium - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_tellurium

    There are 39 known isotopes and 17 nuclear isomers of tellurium (52 Te), with atomic masses that range from 104 to 142. These are listed in the table below. Naturally-occurring tellurium on Earth consists of eight isotopes. Two of these have been found to be radioactive: 128 Te and 130 Te undergo double beta decay with half-lives of, respectively, 2.2×10 24 (2.2 septillion) years (the longest ...

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  8. Cadmium telluride photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Cadmium_telluride...

    The abundance of tellurium—of which telluride is the anionic form—is comparable to that of platinum in the Earth's crust and contributes significantly to the module's cost. [13] CdTe photovoltaics are used in some of the world's largest photovoltaic power stations, such as the Topaz Solar Farm. With a share of 5.1% of worldwide PV ...

  9. Tellurion - Wikipedia

    en.wikipedia.org/wiki/Tellurion

    A tellurion (also spelled tellurian, tellurium, and yet another name is loxocosm), is a clock, typically of French or Swiss origin, surmounted by a mechanism that depicts how day, night, and the seasons are caused by the rotation and orientation of Earth on its axis and its orbit around the Sun.