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Updated: May 31, 2026

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
13:29

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

Published on: August 23, 2012

Solution-processed heterojunction solar cells based on p-type PbS quantum dots and n-type Bi2 S3 nanocrystals

Arup K Rath1, Maria Bernechea, Luis Martinez

  • 1ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, Castelldefels, Barcelona, Spain. gerasimos.konstantatos@icfo.es

Advanced Materials (Deerfield Beach, Fla.)
|July 7, 2011
PubMed
Summary

No abstract available in 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...