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“function”
work function
1. The minimum energy needed to remove an electron from the Fermi level (average energy of electrons) of a metal to infinity; usually expressed in electrovolts.
2. The energy difference between the Fermi level and vacuum zero.
2. The energy difference between the Fermi level and vacuum zero.
The minimum amount of energy it takes to remove an electron from a substance into the vacuum.
The term Fermi refers to a unit of length, equal to 10-15 meters; used particularly in measuring nuclear distances.
This entry is located in the following unit:
Photovoltaic Conversion Efficiency Terms +
(page 24)