Solution Processed Quantum Dot Devices for Signal Amplification

doi:10.1002/pssa.202500391

2025-12-01

PRE

Hridesh Kumar Gupta

Manaved Kannamvelli Manoj

Milan Saju

Ankur Bhaumik

Anshu Pandey *

DOI：10.1002/pssa.202500391

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摘要

En 中文

胶体量子点（CQDs）为光电器件提供了一种可调谐且溶液可加工的平台。然而，由于材料需求的冲突，在同一器件中同时优化多种功能（如电增益和光探测）具有挑战性。尽管基于CQD的光探测技术已取得显著进展，但纯电增益的演示案例很少。本文报道了一种基于PbS CQDs的纯增益器件，旨在分离电放大功能。PbS CQDs采用标准方法合成，并添加了Al₂O₃添加剂。透射电子显微镜证实了其高结晶度和均匀分散性。通过旋涂法制备的器件表现出强烈的电增益，在正向偏压1.25 V下最大放大倍数为53 dB。该结构展示了CQD系统中独立信号放大的潜力，并为与优化后的光探测器器件集成奠定了基础。

Keyword:

amplifier

colloidal quantum dots

devices

lead sulfide

期刊

Physica Status Solidi A-Applications and Materials Science

IF:

1.9

论文数:

383

被引数:

1.3W

机构

indian institute of science (iisc) - bangalore

学者数:

1.4W

论文数: 1.4W

被引数: 11

引用论文

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IF15.6

2007-07-10

314

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160