conduction band
Americannoun
noun
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The electron orbital or orbitals, generally the outermost orbitals, in atoms in a conductor or semiconductor, in which the electrons are free enough to move and thereby carry an electric current.
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Compare valence band See also bandgap
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Unlike the deep defects, they are not located in the middle of the band gap, but very close to the valence or conduction band.
From Science Daily ● Jan. 10, 2024
In a solar cell, electrons are dislodged by photons and raised to a higher energy level from the valence band to the conduction band.
From Science Daily ● Jan. 10, 2024
Only a very small amount of energy is required to move electrons from the valence band to the conduction band in a conductor, and so they conduct electricity well.
From Textbooks ● Feb. 14, 2019
In an insulator, the band gap is so “large” that very few electrons move into the conduction band; as a result, insulators are poor conductors of electricity.
From Textbooks ● Feb. 14, 2019
Injection of electrons from the dye into the conduction band of the oxide nanoparticles must proceed faster than exciton recombination within the dye.
From Nature ● Aug. 15, 2012
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