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what energy source do photovoltaic cells use to produce electricity

What Energy Source do Photovoltaic Cells Use to Produce Electricity


Photovoltaic cells, also known as solar cells, are a popular and sustainable way to produce electricity. They work by converting sunlight into electrical energy, but what energy source do these cells actually use to generate electricity?

The Energy Source

Photovoltaic cells use solar energy to produce electricity. Solar energy is generated from the sun, which emits photons. When these photons hit the surface of a photovoltaic cell, they are absorbed by the semiconductor material within the cell. This absorption of photons generates an electrical current, which can then be used as electricity.

How do Photovoltaic Cells Work?

Photovoltaic cells are made up of silicon and other semiconducting materials. When sunlight hits the cells, the photons knock electrons loose from the atoms within the semiconductor material. These loose electrons then flow through the material, creating an electrical current. This current is then captured by metal contacts on the sides of the cell, and can be harnessed as electricity.

Advantages of Using Solar Energy

The use of solar energy to power photovoltaic cells has several advantages. Firstly, solar energy is a renewable and abundant resource, making it an environmentally friendly choice. Additionally, solar energy is free, making the cost of electricity generated from photovoltaic cells very low once the initial installation costs are covered. Furthermore, using solar energy reduces our reliance on fossil fuels, decreasing carbon emissions and mitigating the effects of climate change.


In conclusion, photovoltaic cells use solar energy to produce electricity. By capturing sunlight and converting it into electrical energy, photovoltaic cells provide a sustainable and environmentally friendly source of power. As society continues to prioritize renewable energy sources, the use of photovoltaic cells and solar energy will undoubtedly become even more prevalent in the future.

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