Lead Chalcogenide Colloidal Quantum Dots for Infrared Photodetectors

Xue Zhao, Haifei Ma, Hongxing Cai, Zhipeng Wei, Ying Bi, Xin Tang, Tianling Qin*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

4 Citations (Scopus)

Abstract

Infrared detection technology plays an important role in remote sensing, imaging, monitoring, and other fields. So far, most infrared photodetectors are based on InGaAs and HgCdTe materials, which are limited by high fabrication costs, complex production processes, and poor compatibility with silicon-based readout integrated circuits. This hinders the wider application of infrared detection technology. Therefore, reducing the cost of high-performance photodetectors is a research focus. Colloidal quantum dot photodetectors have the advantages of solution processing, low cost, and good compatibility with silicon-based substrates. In this paper, we summarize the recent development of infrared photodetectors based on mainstream lead chalcogenide colloidal quantum dots.

Original languageEnglish
Article number5790
JournalMaterials
Volume16
Issue number17
DOIs
Publication statusPublished - Sept 2023

Keywords

  • colloidal quantum dots
  • infrared photodetector
  • lead chalcogenide
  • mercury chalcogenide

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