Read what CdTe power glass is in one article
Release time:
Nov 28,2024
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Green low-carbon is an important development goal during China's “14th Five-Year Plan” period, and photovoltaic power generation is the main force to realize this goal.
Green low-carbon is an important development goal during China's “14th Five-Year Plan” period, and photovoltaic power generation is the main force to realize this goal. In the rapid development of the photovoltaic industry, in addition to crystalline silicon batteries have attracted much attention, with cadmium telluride as the absorption layer of thin film batteries also by the industry focus.
Cadmium telluride (CdTe) is an important II-VI compound semiconductor materials, the shape of black crystal particles or powder, melting point of 1092 ℃, relative molecular weight of 240, the crystal structure of sphalerite type, with a direct leap type energy band structure. Its lattice constant is 0.6481nm, forbidden band width is 1.45eV, room temperature electron mobility is 1050 c㎡/(Vs), room temperature hole mobility is 80 c㎡/(Vs). The bonding energy of CdTe chemical bond is as high as 5.7 eV, which is one of the most stable chemosynthesis states of elemental cadmium in nature. Therefore, CdTe is chemically stable at room temperature and insoluble in water and weak acids, making it relatively safe in industrial production and use.
It is worth mentioning that the spectral response of CdTe solar cells matches very well with the spectral distribution of the ground sun, and the actual power generation capacity is strong.
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