List of Sputtering Targets for Solar Cell Coating
Time：2022-09-28 Author：Changsha xinkang advanced materials co.,ltd
Solar energy is mainly used to convert solar energy into heat and electricity. Photoelectric conversion is recognized by solar cells, which directly convert light energy into electricity through the photoelectric effect. At present, solar cells have been developed to the third generation. The first generation was monocrystalline silicon solar cells. The second generation is amorphous silicon and polycrystalline silicon solar cells. The third generation is thin-film solar cells (represented by CIGS).
The sputtering targets used for solar cell coating mainly include AZO sputtering targets, ZnO sputtering targets, ZnAl sputtering targets, Mo sputtering targets, CdS sputtering targets, and CuInGaSe sputtering targets. Further details are as follows:
Zinc Aluminum Oxide (AZO) Target
Xinkang specializes in the production of high-purity aluminum-doped zinc oxide (AZO) sputtering targets for semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) displays and optics, AZO targets are zinc-aluminum oxide functional ceramics Material. The AZO transparent conductive film with the crater-like textured structure can enhance the scattering effect of sunlight, improve the light trapping effect, increase the absorption of solar energy by the battery, and improve the conversion efficiency of thin-film solar cells. The magnetron sputtering coating process to produce AZO transparent conductive film on glass substrate has the advantages of fast film formation speed, uniform film layer, and large film formation area. It is a more suitable process method for producing AZO film.
Zinc oxide target
Zinc oxide targets are used for magnetron sputtering deposition to form doped zinc oxide-based thin films, which have light guiding properties and semiconductor properties, and can absorb ultraviolet rays. It can also convert sunlight into chemical energy like chlorophyll.
Molybdenum Sputtering Target
Molybdenum sputtering targets are increasingly used in thin-film solar photovoltaic cells. Molybdenum sputtering target is mainly used to form the electrical layer of CIGS copper indium gallium selenide thin film battery by sputtering. Among them, molybdenum is in the bottom layer of solar cells, and as the back contact of solar cells, it plays a very important role in the nucleation, growth and morphology of CIGS thin film crystals.
Cadmium sulfide target
The cadmium sulfide flat target adopts the sintering and binding process, which can produce a maximum length of 600mm, a maximum width of 400mm, a relative density of more than 99%, and a purity of 99.99%. Mainly used in thin film solar industry.
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