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Multi-compound Solar Cell

DS New Energy | Updated: Aug 02, 2018

A compound solar cell is a solar cell that is not made from a single element of semiconductor material.

Various countries study a wide variety, most of which have not been industrialized production, mainly have the following: 

A cadmium sulfide solar cell B gallium arsenide solar cell c) Copper indium Selenium solar cell (new type of multi-band gap gradient Cu (in, Ga) Se2 thin Film solar cell) Cu (in, Ga) Se2 is a kind of high performance solar absorption material, with gradient band gap (the energy differential between the guide band and the valence band), it can enlarge the range of the absorption spectrum and improve the efficiency of photoelectric conversion. 

Based on it, a thin film solar cell can be designed to improve the photoelectric conversion efficiency than that of silicon thin film solar cells. can achieve the photoelectric conversion rate of 18%, and, such thin film solar cells so far, no light radiation caused by the decline in performance (SWE), its photoelectric conversion efficiency than commercial thin-film solar panels to improve about 50~75%, in thin film solar cells belong to the world's highest level of photoelectric conversion efficiency.

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