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Introducing ammonium salt into hole transporting materials for perovskite solar cells

Shuang Ma1, Xuepeng Liu, Xianfu Zhang

  • 1Beijing Key Laboratory of Novel Thin-Film Solar Cells, North China Electric Power University, Beijing, 102206, P. R. China. liuxuepeng@ncepu.edu.cn sydai@ncepu.edu.cn.

Chemical Communications (Cambridge, England)
|November 5, 2020
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P-N junction01:11

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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...
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