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Cadmium telluride (CdTe) is a stable crystalline compound formed from cadmium and tellurium. It is mainly used as the semiconducting material in cadmium telluride photovoltaics and an infrared optical window. It is usually sandwiched with cadmium sulfide to form a p–n junction solar PV cell.
Cadmium tellurite is a colourless solid [1] that is insoluble in water. [2] It is a semiconductor. It is part of the monoclinic crystal system, with space group P2 1 /c (No. 14). It can also crystallize in the cubic crystal system and hexagonal crystal system at temperatures above 540 °C. [4] [5]
cadmium hydroxide: 21041–95–2 CdS: cadmium sulfide: 1306–23–6 CdSO 4: cadmium sulfate: 10124–36–4 CdSb: cadmium antimonide: 12014–29–8 CdSe: cadmium selenide: 1306–24–7 CdSiO 3: cadmium silicate: 13477–19–5 CdTe: cadmium telluride: 1306–25–8 CdTiO 4: cadmium titanate: 12014–14–1 CdWO 4: cadmium tungstate: 7790 ...
Mercury cadmium telluride is known to be a toxic material, with additional danger from the high vapor pressure of mercury at the material's melting point; in spite of this, it continues to be developed and used in its applications. [6]
Cadmium sulfide: CdS: 2.42 [6] direct: Used in photoresistors and solar cells; CdS/Cu 2 S was the first efficient solar cell. Used in solar cells with CdTe. Common as quantum dots. Crystals can act as solid-state lasers. Electroluminescent. When doped, can act as a phosphor. II-VI: 2: Cadmium telluride: CdTe: 1.49 [6] direct: Used in solar ...
Cadmium telluride PV is the only thin film technology with lower costs than conventional solar cells made of crystalline silicon in multi-kilowatt systems. [ 1 ] [ 2 ] [ 3 ] On a lifecycle basis, CdTe PV has the smallest carbon footprint , lowest water use and shortest energy payback time of any current photovoltaic technology.
Thin-film solar cells, a second generation of photovoltaic (PV) solar cells: Top: thin-film silicon laminates being installed onto a roof. Middle: CIGS solar cell on a flexible plastic backing and rigid CdTe panels mounted on a supporting structure Bottom: thin-film laminates on rooftops Thin-film solar cells are a type of solar cell made by depositing one or more thin layers (thin films or ...
Cadmium is a chemical element; it has symbol Cd and atomic number 48. This soft, ... One of its few new uses is in cadmium telluride solar panels.