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Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
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Self-assembled anchoring shell on NiOx nanocrystals enables efficient and stable wide-bandgap perovskite solar cells

Sheng Li1,2, Chengyue Luo1, Qiuhan Yu1

  • 1School of Physics and Technology, Wuhan University, Wuhan, China. zp.wang@whu.edu.cn.

Chemical Communications (Cambridge, England)
|June 16, 2026
PubMed

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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...