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Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
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Sixfold enhancement of photocurrent by surface charge controlled high density quantum dot coating

Jin-Wook Lee1, Jong-Deok Hong, Nam-Gyu Park

  • 1School of Chemical Engineering and Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea.

Chemical Communications (Cambridge, England)
|June 13, 2013
PubMed

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P-N junction01:11

P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...