adjective
- relating to or exhibiting the emission of electrons from a material when light strikes its surface
Usage: technical; physics
Examples
- The photoemissive cell converts light energy into electrical current.
- Photoemissive materials are used in image intensifiers and night-vision devices.
- The photoemissive effect occurs when photons transfer energy to electrons in the material.
- Early television cameras relied on photoemissive tubes to capture images.
- Scientists selected a photoemissive surface with high sensitivity to ultraviolet light.