期刊
COATINGS
卷 10, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/coatings10080760
关键词
HgTe Colloidal quantum dots; infrared; photoconductors; photovoltaic; multispectral imaging
资金
- National Natural Science Foundation of China (NSFC) [51735002, 61875012]
The application of infrared detectors based on epitaxially grown semiconductors such as HgCdTe, InSb and InGaAs is limited by their high cost and difficulty in raising operating temperature. The development of infrared detectors depends on cheaper materials with high carrier mobility, tunable spectral response and compatibility with large-scale semiconductor processes. In recent years, the appearance of mercury telluride colloidal quantum dots (HgTe CQDs) provided a new choice for infrared detection and had attracted wide attention due to their excellent optical properties, solubility processability, mechanical flexibility and size-tunable absorption features. In this review, we summarized the recent progress of HgTe CQDs based infrared detectors, including synthesis, device physics, photodetection mechanism, multi-spectral imaging and focal plane array (FPA).
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