Different types of semiconductors, such as crystalline silicon (c-Si) and cadmium telluride (CdTe), are used in solar cells. Semiconductors in PV cells absorb the light's energy when they are exposed to it and transfer the energy to electrons. When light shines on a photovoltaic (PV) cell – also called a solar cell – that light may be reflected, absorbed, or pass right through the cell. This review explores the fundamental principles of semiconductors in solar cells, the various materials employed (including silicon. Here are the main features that make semiconductors so special: The Semiconductors can be classified into two main categories: It's pure silicon or germanium, with no impurities. At room temperature, a few electrons get excited and jump from the valence band to the conduction band, leaving behind. Semiconductors play a critical role in clean energy technologies that enable energy generation from renewable and clean sources. Image Credit:. This is a preview of subscription content, log in via an institution to check access. It addresses a range of topics, including the.