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what is the active element in photovoltaic cells

The active element in photovoltaic cells is the semiconducting material.

What is a photovoltaic cell?

Photovoltaic cells, also known as solar cells, are devices that convert light energy into electrical energy. They are the building blocks of solar panels and are widely used to capture sunlight and create clean, renewable energy.

The active element in photovoltaic cells

The active element in photovoltaic cells is typically a semiconducting material, such as silicon. When photons from sunlight strike the surface of the cell, they knock electrons loose from the semiconducting material, creating a flow of electricity.

Types of semiconducting materials

There are different types of semiconducting materials used in photovoltaic cells, including monocrystalline silicon, polycrystalline silicon, and thin-film materials like cadmium telluride and copper indium gallium selenide.

How photovoltaic cells work

When sunlight hits the photovoltaic cell, it excites the electrons in the semiconductor material, causing them to flow and create an electrical current. This current can then be used to power electrical devices or stored in batteries for later use.

Advantages of photovoltaic cells

Photovoltaic cells offer several advantages, including producing clean and renewable energy, reducing dependence on fossil fuels, and lowering electricity bills for homeowners and businesses.

Conclusion

In conclusion, the active element in photovoltaic cells is the semiconducting material, which plays a crucial role in converting sunlight into electricity. With advancements in technology, photovoltaic cells continue to be an important source of clean energy for the future.

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