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Photoelectron

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photoelectron [¦fōd·ō·i′lek‚trän]
(electronics)
An electron emitted by the photoelectric effect.

Photoelectron 

an electron that is emitted by an atom, molecule, or condensed medium upon exposure to quanta of electromagnetic radiation, or photons (see). The term “photoelectrons” is also applied to electrons in a condensed medium that have absorbed photons and, as a consequence, have an energy that is elevated relative to the equilibrium energy (see and ).



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Unable to use standard chemical techniques to test the super-thin coatings, researchers used depth profile X-ray photoelectron spectroscopy (XPS) to study the chemistry of the coatings.
A sampling of topics includes: EPR spectroscopy of polycrystalline oxide systems, the application of UV-visible-NIR spectroscopy to oxides, solid-state MNR of oxidation catalysts, photoelectron spectroscopy of catalytic oxide materials, transmission electron microscopy, vanadium phosphate catalysts, heterogeneous catalysis by uranium oxides, alkane dehydrogenation over vanadium and chromium, and oxide materials in photocatalytic processes.
Chemical changes such as hydration or oxidation on the surface of the product can be identified using X-ray Photoelectron Spectroscopy (XPS) (see sidebar).
 
 
 
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