Microscopic

Microscopic principle of solar cell power generation

A photovoltaic cell essentially consists of a large planar p–n junction, i., a region of contact between layers of n- and p-doped semiconductor material, where both layers are electrically contacted (see below). . Solar cells represent a revolutionary breakthrough in photovoltaic systems, transforming sunlight into electrical energy through an elegant dance of physics and materials science. Many notions presented in this chapter will be new but nonetheless the general idea of how a solar cell works should be clear. They are also often called solar cells because their primary use is to generate electricity specifically from sunlight, but there are also a few applications where other light. . A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by using the photovoltaic effect.

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