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Updated: May 14, 2026

Developing High Performance GaP/Si Heterojunction Solar Cells
10:31

Developing High Performance GaP/Si Heterojunction Solar Cells

Published on: November 16, 2018

Ion doping of graphene for high-efficiency heterojunction solar cells

Xinming Li1, Dan Xie, Hyesung Park

  • 1School of Materials Science and Engineering, Tsinghua University, Beijing 100084, PR China.

Nanoscale
|January 30, 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...