What is Photovoltaic (PV) device?

A solid state device converting sunlight directly to DC electricity. A solar PV device can be composed of various semiconductor materials, such as silicon, cadmium telluride, cadmium sulfide, gallium arsenide, copper indium gallium selenide, copper indium diselenide, in a monocrystalline, polycrystalline, or amorphous form.

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