Define the term, Band-Gap?

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter12: The Solid State
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Define the term, Band-Gap?

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Electrons are present in the orbits around the nucleus. On coming together of two charges together electrons in the outer orbit feel some forces of attraction from the nearest nuclei. So, the energy level of electrons is different from the actual energy level of the electron due to the force experienced by the neighboring atom. For this, a grouping of different energy levels is done which is given the name energy band.

 

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