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The other major contributor to this large increase in efficiency is the usage of MgZnO (MZO) within the cell. In a cell using a CdSe x Te 1−x /CdTe structure, MZO can be used in place of CdS. CdS is source of inefficient absorption, while MZO has a tunable band gap that can be optimized for high transparency and good alignment with CdSe x Te ...
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 cells with CdS.
CdTe is used to make thin film solar cells, accounting for about 8% of all solar cells installed in 2011. [4] They are among the lowest-cost types of solar cell, [5] although a comparison of total installed cost depends on installation size and many other factors, and has changed rapidly from year to year.
Cells fabricated with this architecture have achieved record power conversion efficiencies of 3.1%, higher than any other solar cell materials that utilize CNTs in the active layer. This design also has exceptionally stability, with the PCE remaining at around 90% over a period of 30 days. [ 24 ]
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 ...
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