Photovoltaic cell is a photovoltaic device that generates electricity by using different photocurrent generated by the different mobility of photogenerated electrons and hole pairs on the semiconductor. The principle of photovoltaic power generation is mainly the power generation principle using solar radiation energy and the transmission principle of solar radiation energy. Solar radiation energy is converted into electric energy through electrons. Since solar energy is a visible light source without optical radiation and does not need electricity, solar radiation is a natural clean energy that can be used by human beings.

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