Photovoltaic Cells

Photovoltaic Cells

Photovoltaic cells, also known as solar cells, are electronic devices that convert sunlight into electrical energy. They are made of semiconductor materials, such as silicon, and work on the principle of the photovoltaic effect. When sunlight hits the surface of a photovoltaic cell, it excites the electrons in the semiconductor material, causing them to flow and generate a direct current (DC) electrical output. Photovoltaic cells are widely used in solar panels, which are used to generate electricity for a variety of applications, including residential and commercial buildings, remote power systems, and satellites. They are also used in portable devices, such as calculators and watches, as well as in larger-scale applications, such as power plants. The efficiency of photovoltaic cells has increased significantly over the years, with modern cells achieving efficiencies of up to 23%. This has been achieved through improvements in the design of the cells, as well as the use of new materials and manufacturing processes. However, the cost of photovoltaic cells remains a significant barrier to their widespread adoption, although this is expected to decrease as the technology continues to improve and become more widely used.

semiconductor, direct current, solar panels, efficiency, cost

— Jason Moore

CITATION : "Jason Moore. 'Photovoltaic Cells.' Design+Encyclopedia. https://design-encyclopedia.com/define/photovoltaic-cells?E=383335 (Accessed on October 14, 2026)"