関連する実験動画

Updated: Aug 5, 2025

Developing High Performance GaP/Si Heterojunction Solar Cells
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Published on: November 16, 2018

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トリプルジャンクションペロブスキート太陽電池の抑制相分離

Zaiwei Wang1, Lewei Zeng1, Tong Zhu1

  • 1Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada.

Nature
|March 28, 2023
PubMed
まとめ

安定した高効率の 三連鎖太陽電池を 開発しました これらのペロブスキットの格子歪みは相分離を抑制し,次世代の光伏の性能を向上させます.

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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...
591
Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
290
Biasing of P-N Junction01:16

Biasing of P-N Junction

The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
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