Solar Cells, also known as "solar chips" or "photocells", are thin sheets of photoelectric semiconductors that directly convert solar light energy into electricity by using the photoelectric effect. Solar cells are composed of a number of units, each unit is called a photovoltaic cell sheet, the main material is silicon, including monocrystalline silicon, polysilicon and amorphous silicon. Its core principle is based on the photovoltaic effect. The photovoltaic effect refers to the fact that when the photon hits the semiconductor material, it can stimulate the electron transition to the conduction band, forming free electrons and hole pairs, thus generating an electric current. The process does not require any external power source or chemical reaction, relying solely on sunlight.

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