internal photoelectric effect
internal photoelectric effect
[in′tərn·əl ‚fōd·ō·ə′lek·trik i‚fekt] (solid-state physics)
A process in which the absorption of a photon in a semiconductor results in the excitation of an electron from the valence band to the conduction band.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.