Nature Photonics, volume 13, issue 4, pages 277-282

Dual-band infrared imaging using stacked colloidal quantum dot photodiodes

Xin Tang 1
Matthew L. Ackerman 1
Menglu Chen 1
Philippe Guyot-Sionnest 1
Publication typeJournal Article
Publication date2019-02-25
Journal: Nature Photonics
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor35
ISSN17494885, 17494893
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Abstract
Infrared multispectral imaging is attracting great interest with the increasing demand for sensitive, low-cost and scalable devices that can distinguish coincident spectral information. However, the widespread use of such detectors is still limited by the high cost of epitaxial semiconductors. In contrast, the solution processability and wide spectral tunability of colloidal quantum dots (CQDs) have inspired various inexpensive, high-performance optoelectronic devices. Here, we demonstrate a two-terminal CQD dual-band detector, which provides a bias-switchable spectral response in two distinct bands. A vertical stack of two rectifying junctions in a back-to-back diode configuration is created by engineering a strong and spatially stable doping process. By controlling the bias polarity and magnitude, the detector can be rapidly switched between short-wave infrared and mid-wave infrared at modulation frequencies up to 100 kHz with D* above 1010 jones at cryogenic temperature. The detector performance is illustrated by dual-band infrared imaging and remote temperature monitoring. Colloidal quantum dot detectors, switchable between short-wave infrared and mid-wave infrared, are demonstrated.

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GOST |
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GOST Copy
Tang X. et al. Dual-band infrared imaging using stacked colloidal quantum dot photodiodes // Nature Photonics. 2019. Vol. 13. No. 4. pp. 277-282.
GOST all authors (up to 50) Copy
Tang X., Ackerman M. L., Chen M., Guyot-Sionnest P. Dual-band infrared imaging using stacked colloidal quantum dot photodiodes // Nature Photonics. 2019. Vol. 13. No. 4. pp. 277-282.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1038/s41566-019-0362-1
UR - https://doi.org/10.1038/s41566-019-0362-1
TI - Dual-band infrared imaging using stacked colloidal quantum dot photodiodes
T2 - Nature Photonics
AU - Tang, Xin
AU - Ackerman, Matthew L.
AU - Chen, Menglu
AU - Guyot-Sionnest, Philippe
PY - 2019
DA - 2019/02/25 00:00:00
PB - Springer Nature
SP - 277-282
IS - 4
VL - 13
SN - 1749-4885
SN - 1749-4893
ER -
BibTex |
Cite this
BibTex Copy
@article{2019_Tang,
author = {Xin Tang and Matthew L. Ackerman and Menglu Chen and Philippe Guyot-Sionnest},
title = {Dual-band infrared imaging using stacked colloidal quantum dot photodiodes},
journal = {Nature Photonics},
year = {2019},
volume = {13},
publisher = {Springer Nature},
month = {feb},
url = {https://doi.org/10.1038/s41566-019-0362-1},
number = {4},
pages = {277--282},
doi = {10.1038/s41566-019-0362-1}
}
MLA
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MLA Copy
Tang, Xin, et al. “Dual-band infrared imaging using stacked colloidal quantum dot photodiodes.” Nature Photonics, vol. 13, no. 4, Feb. 2019, pp. 277-282. https://doi.org/10.1038/s41566-019-0362-1.
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