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A silicon atom has 14 electrons, which are distributed on three electron layers. The two electron layers inside have been filled. Only the outermost layer lacks four electrons, which is half full, as shown in Figure 1. In order to achieve a stable structure in the full-electron layer, each silicon atom can only combine with […]
Solar cells are devices that use the principle of photoelectric conversion to convert solar radiation light into electrical energy through semiconductor materials. This photoelectric conversion process is usually called the “photovoltaic effect.” Photovoltaic effect is abbreviated as photovoltaic effect, which refers to the phenomenon that light causes a potential difference between different parts of a […]