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Types of Semiconductors

Types of Semiconductors

Intrinsic semiconductors are highly pure materials with no impurities. At absolute zero, these semiconductors behave as perfect insulators because all the valence electrons are bound, and the conduction band is empty, disallowing electrical conduction. The Fermi level is a concept used to describe the probability of occupancy of energy levels by electrons at thermal equilibrium. In intrinsic semiconductors, the Fermi level is positioned at the midpoint of the energy gap at absolute zero. When...

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Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

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Comment on "self-purification in semiconductor nanocrystals"

M-H Du¹, S C Erwin, Al L Efros

¹Center for Computational Materials Science Naval Research Laboratory Washington, D.C. 20375, USA.

Physical Review Letters

|June 4, 2008

Summary

No abstract available in PubMed .

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