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In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
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Published on: March 2, 2021

Qian Liu1, Jie Mao, Zunfeng Liu

  • 1Key Laboratory of Display Materials and Photoelectric Devices (Tianjin University of Technology), Ministry of Education, Institute of Material Physics, Tianjin University of Technology, Tianjin 300384, People's Republic of China. Tianjin Key Laboratory for Photoelectric Materials and Devices, Tianjin 300384, People's Republic of China.

Nanotechnology
|July 7, 2011
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...