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Recent Advances in Electron-doping of Quantum Dots: Synthesis, Optical Properties, and Optoelectronic Applications

delete2026-07-15
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PRE
AI
H
Haixin Lei
Z
Zhe Wang
X
Xing Lin
X
Xiaogang Peng *
DOI:10.1007/s40242-026-6133-xdelete
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Abstract

Abstract

En 中文
Stably and controllably doping free carriers, here specifically free electrons, into colloidal quantum dots (QDs) is central to realizing their size-tunable optical and optoelectronic properties. Unlike bulk semiconductors, aliovalent atomic doping in QDs is challenging due to self-purification mechanism. This mini-review focuses on recent advances in one type of unique doping strategies for QDs (i.e., remote electron-doping into their quantum-confined conduction band), including chemical, electrochemical, and photochemical approaches. We discuss optical properties, many-body interactions, and Fermi-level shifts of n-doped QDs. Impacts of n-doping on low-threshold optical gain, infrared intraband emission and detection, and charge-transport layers in devices are discussed.
Keywords:
Quantum dot
Electron doping
Optoelectronics

Journal

Chemical Research in Chinese Universities cover
Chemical Research in Chinese Universities
IF:
3
Papers:
2.9K
Citations:
2.8K

Organization

D
Department of Chemistry
Scholars:
6.8K
Papers: 3.0K
Citations: 7
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