Carrier Migration

Carrier migration refers to the movement of charge carriers—electrons or holes—within a semiconductor material. When an electric field is applied or due to thermal energy, these particles drift or diffuse through the material. For example, in a solar cell or electronic device, carriers generated by light or an external voltage move toward contacts or specific regions, enabling current flow. Understanding how carriers migrate helps in designing efficient devices, as it affects their electrical performance, response speed, and efficiency by controlling how quickly and effectively charge moves through the material.