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Updated: Aug 4, 2026

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在化波导上集成的PbS合体量子点光电极在化波导上

Chao Pang1,2, Yu-Hao Deng2,3, Ezat Kheradmand2,3

  • 1Photonics Research Group, Ghent University - imec, 9052 Ghent, Belgium.

ACS photonics
|December 25, 2023
PubMed
概括

研究人员将硫化物合体量子点 (QD) 光二极管集成到化波导上. 这克服了光子集成电路的局限性,使小型光谱仪能够有效检测光.

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相关概念视频

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...
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...