ACS Nano, volume 12, issue 7, pages 7264-7271

Fast and Sensitive Colloidal Quantum Dot Mid-Wave Infrared Photodetectors

Matthew L. Ackerman ¹

Xin Tang ¹

Philippe Guyot-Sionnest ¹

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James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637, United States |

Publication type: Journal Article

Publication date: 2018-07-05

American Chemical Society (ACS)

Journal: ACS Nano

Quartile SCImago

Quartile WOS

Impact factor: 17.1

ISSN: 19360851, 1936086X

DOI: 10.1021/acsnano.8b03425

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General Physics and Astronomy

General Materials Science

General Engineering

Abstract

Colloidal quantum dots (CQDs) with a band gap tunable in the mid-wave infrared (MWIR) region provide a cheap alternative to epitaxial commercial photodetectors such as HgCdTe (MCT) and InSb. Photoconductive HgTe CQD devices have demonstrated the potential of CQDs for MWIR photodetection but face limitations in speed and sensitivity. Recently, a proof-of-concept HgTe photovoltaic (PV) detector was realized, achieving background-limited infrared photodetection at cryogenic temperatures. Using a modified PV device architecture, we report up to 2 orders of magnitude improvement in the sensitivity of the HgTe CQD photodetectors. A solid-state cation exchange method was introduced during device fabrication to chemically modify the interface potential, leading to an order of magnitude improvement of external quantum efficiency at room temperature. At 230 K, the HgTe CQD photodetectors reported here achieve a sensitivity of 109 Jones with a cutoff wavelength between 4 and 5 μm, which is comparable to that of commercial photodetectors. In addition to the chemical treatment, a thin-film interference structure was devised using an optical spacer to achieve near unity internal quantum efficiency upon reducing the operating temperature. The enhanced sensitivity of the HgTe CQD photodetectors reported here should motivate interest in a cheap, solution-processed MWIR photodetector for applications extending beyond research and military defense.

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Citations by journals

	1 2 3 4 5 6 7 8
Nano Letters	Nano Letters, 8, 4.15% Nano Letters 8 publications, 4.15%
Applied Physics Letters	Applied Physics Letters, 8, 4.15% Applied Physics Letters 8 publications, 4.15%
Advanced Optical Materials	Advanced Optical Materials, 8, 4.15% Advanced Optical Materials 8 publications, 4.15%
ACS Photonics	ACS Photonics, 8, 4.15% ACS Photonics 8 publications, 4.15%
ACS Nano	ACS Nano, 8, 4.15% ACS Nano 8 publications, 4.15%
Coatings	Coatings, 6, 3.11% Coatings 6 publications, 3.11%
Journal of Physical Chemistry C	Journal of Physical Chemistry C, 6, 3.11% Journal of Physical Chemistry C 6 publications, 3.11%
Journal of Materials Chemistry C	Journal of Materials Chemistry C, 6, 3.11% Journal of Materials Chemistry C 6 publications, 3.11%
Advanced Functional Materials	Advanced Functional Materials, 5, 2.59% Advanced Functional Materials 5 publications, 2.59%
ACS applied materials & interfaces	ACS applied materials & interfaces, 5, 2.59% ACS applied materials & interfaces 5 publications, 2.59%
ACS Applied Nano Materials	ACS Applied Nano Materials, 5, 2.59% ACS Applied Nano Materials 5 publications, 2.59%
Materials	Materials, 4, 2.07% Materials 4 publications, 2.07%
Advanced Materials	Advanced Materials, 4, 2.07% Advanced Materials 4 publications, 2.07%
Advanced Science	Advanced Science, 4, 2.07% Advanced Science 4 publications, 2.07%
ACS Materials Letters	ACS Materials Letters, 3, 1.55% ACS Materials Letters 3 publications, 1.55%
Nanomaterials	Nanomaterials, 3, 1.55% Nanomaterials 3 publications, 1.55%
Nature Photonics	Nature Photonics, 3, 1.55% Nature Photonics 3 publications, 1.55%
Advanced Materials Technologies	Advanced Materials Technologies, 3, 1.55% Advanced Materials Technologies 3 publications, 1.55%
ACS Applied Electronic Materials	ACS Applied Electronic Materials, 3, 1.55% ACS Applied Electronic Materials 3 publications, 1.55%
Chemical Communications	Chemical Communications, 3, 1.55% Chemical Communications 3 publications, 1.55%
Journal of Chemical Physics	Journal of Chemical Physics, 2, 1.04% Journal of Chemical Physics 2 publications, 1.04%
Nature Communications	Nature Communications, 2, 1.04% Nature Communications 2 publications, 1.04%
Light: Science and Applications	Light: Science and Applications, 2, 1.04% Light: Science and Applications 2 publications, 1.04%
Nanotechnology	Nanotechnology, 2, 1.04% Nanotechnology 2 publications, 1.04%
Infrared Physics and Technology	Infrared Physics and Technology, 2, 1.04% Infrared Physics and Technology 2 publications, 1.04%
Chemical Engineering Journal	Chemical Engineering Journal, 2, 1.04% Chemical Engineering Journal 2 publications, 1.04%
Small	Small, 2, 1.04% Small 2 publications, 1.04%
Laser and Photonics Reviews	Laser and Photonics Reviews, 2, 1.04% Laser and Photonics Reviews 2 publications, 1.04%
Information Display	Information Display, 2, 1.04% Information Display 2 publications, 1.04%
	1 2 3 4 5 6 7 8

Citations by publishers

	10 20 30 40 50 60
American Chemical Society (ACS)	American Chemical Society (ACS), 54, 27.98% American Chemical Society (ACS) 54 publications, 27.98%
Wiley	Wiley, 34, 17.62% Wiley 34 publications, 17.62%
Springer Nature	Springer Nature, 18, 9.33% Springer Nature 18 publications, 9.33%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 16, 8.29% Multidisciplinary Digital Publishing Institute (MDPI) 16 publications, 8.29%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 13, 6.74% American Institute of Physics (AIP) 13 publications, 6.74%
Elsevier	Elsevier, 13, 6.74% Elsevier 13 publications, 6.74%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 13, 6.74% Royal Society of Chemistry (RSC) 13 publications, 6.74%
IOP Publishing	IOP Publishing, 6, 3.11% IOP Publishing 6 publications, 3.11%
Optical Society of America	Optical Society of America, 3, 1.55% Optical Society of America 3 publications, 1.55%
IEEE	IEEE, 3, 1.55% IEEE 3 publications, 1.55%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 2, 1.04% American Association for the Advancement of Science (AAAS) 2 publications, 1.04%
Hindawi Limited	Hindawi Limited, 1, 0.52% Hindawi Limited 1 publication, 0.52%
Frontiers Media S.A.	Frontiers Media S.A., 1, 0.52% Frontiers Media S.A. 1 publication, 0.52%
Taylor & Francis	Taylor & Francis, 1, 0.52% Taylor & Francis 1 publication, 0.52%
Emerald	Emerald, 1, 0.52% Emerald 1 publication, 0.52%
American Vacuum Society	American Vacuum Society, 1, 0.52% American Vacuum Society 1 publication, 0.52%
Chinese Laser Press	Chinese Laser Press, 1, 0.52% Chinese Laser Press 1 publication, 0.52%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 1, 0.52% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 1 publication, 0.52%
	10 20 30 40 50 60

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Ackerman M. L., Tang X., Guyot-Sionnest P. Fast and Sensitive Colloidal Quantum Dot Mid-Wave Infrared Photodetectors // ACS Nano. 2018. Vol. 12. No. 7. pp. 7264-7271.

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Ackerman M. L., Tang X., Guyot-Sionnest P. Fast and Sensitive Colloidal Quantum Dot Mid-Wave Infrared Photodetectors // ACS Nano. 2018. Vol. 12. No. 7. pp. 7264-7271.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1021/acsnano.8b03425

UR - https://doi.org/10.1021/acsnano.8b03425

TI - Fast and Sensitive Colloidal Quantum Dot Mid-Wave Infrared Photodetectors

T2 - ACS Nano

AU - Ackerman, Matthew L.

AU - Tang, Xin

AU - Guyot-Sionnest, Philippe

PY - 2018

DA - 2018/07/05 00:00:00

PB - American Chemical Society (ACS)

SP - 7264-7271

IS - 7

VL - 12

SN - 1936-0851

SN - 1936-086X

ER -

BibTex |

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BibTex Copy

@article{2018_Ackerman,

author = {Matthew L. Ackerman and Xin Tang and Philippe Guyot-Sionnest},

title = {Fast and Sensitive Colloidal Quantum Dot Mid-Wave Infrared Photodetectors},

journal = {ACS Nano},

year = {2018},

volume = {12},

publisher = {American Chemical Society (ACS)},

month = {jul},

url = {https://doi.org/10.1021/acsnano.8b03425},

number = {7},

pages = {7264--7271},

doi = {10.1021/acsnano.8b03425}

}

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MLA Copy

Ackerman, Matthew L., et al. “Fast and Sensitive Colloidal Quantum Dot Mid-Wave Infrared Photodetectors.” ACS Nano, vol. 12, no. 7, Jul. 2018, pp. 7264-7271. https://doi.org/10.1021/acsnano.8b03425.

Found error?

Publisher

American Chemical Society (ACS)

Journal

ACS Nano

Quartile SCImago

Quartile WOS

Impact factor

17.1

ISSN

19360851 (Print)
1936086X (Electronic)