photoemission
/ˌfoʊtoʊɪˈmɪʃən/
noun
- The release of electrons from a material when it absorbs light or other electromagnetic radiation.
- Photoemission is the key principle behind how solar panels generate electricity from sunlight.
- Scientists study photoemission to understand how different materials interact with light.
- The experiment measured photoemission from a metal surface when exposed to ultraviolet rays.