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Explain how a voltage difference is generated in a p-n junction when it is used in a photovoltaic solar cell.
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  • The working principle of all today’s solar cells is essentially the same. It is based on thephotovoltaic effect.
  • In general, the photovoltaic effect means the generation of a potential difference at the junction of two different materials in response to visible light or other radiation.
  • The basic processes …

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