Nature, volume 442, issue 7099, pages 180-183

Ultrasensitive solution-cast quantum dot photodetectors

Gerasimos Konstantatos ¹

Ian Howard ¹

Armin Fischer ¹

Sjoerd Hoogland ¹

Jason Clifford ¹

Ethan Klem ¹

Larissa Levina ¹

Edward H Sargent ¹

Hide authors affiliations Show authors affiliations: 1 affiliation

Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada |

Publication type: Journal Article

Publication date: 2006-07-13

Springer Nature

Journal: Nature

Quartile SCImago

Quartile WOS

Impact factor: 64.8

ISSN: 00280836, 14764687

DOI: 10.1038/nature04855

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Multidisciplinary

Abstract

The best electronic and optoelectronic devices are built via semiconductor crystal growth on a single-crystal substrate. Over 100 papers have been published in recent years in Nature on alternative devices, produced instead from the solution phase. They have some advantages over conventional crystalline semiconductor devices: ease of fabrication, physical flexibility and — most important — low cost. The problem was the poor electronic performance of solution-processed devices, compared with single-crystal counterparts. But that could change now: a team from the University of Toronto reports that one such system — colloidal quantum dots of lead sulphide — can actually outperform the state-of-the-art crystalline alternative. A solution-processed electronic device that uses colloidal quantum dots of lead sulphide outperforms the state-of-the-art crystalline alternatives, with ease of fabrication, physical flexibility, large device areas and low cost among its benefits. Solution-processed electronic1 and optoelectronic2,3,4,5 devices offer low cost, large device area, physical flexibility and convenient materials integration compared to conventional epitaxially grown, lattice-matched, crystalline semiconductor devices. Although the electronic or optoelectronic performance of these solution-processed devices is typically inferior to that of those fabricated by conventional routes, this can be tolerated for some applications in view of the other benefits. Here we report the fabrication of solution-processed infrared photodetectors that are superior in their normalized detectivity (D*, the figure of merit for detector sensitivity) to the best epitaxially grown devices operating at room temperature. We produced the devices in a single solution-processing step, overcoating a prefabricated planar electrode array with an unpatterned layer of PbS colloidal quantum dot nanocrystals. The devices showed large photoconductive gains with responsivities greater than 103 A W-1. The best devices exhibited a normalized detectivity D* of 1.8 × 1013 jones (1 jones = 1 cm Hz1/2 W-1) at 1.3 µm at room temperature: today's highest performance infrared photodetectors are photovoltaic devices made from epitaxially grown InGaAs that exhibit peak D* in the 1012 jones range at room temperature, whereas the previous record for D* from a photoconductive detector lies at 1011 jones. The tailored selection of absorption onset energy through the quantum size effect, combined with deliberate engineering of the sequence of nanoparticle fusing and surface trap functionalization, underlie the superior performance achieved in this readily fabricated family of devices.

By date By citations

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Citations by journals

	10 20 30 40 50 60 70 80 90
Advanced Materials	Advanced Materials, 86, 5.38% Advanced Materials 86 publications, 5.38%
ACS Nano	ACS Nano, 66, 4.13% ACS Nano 66 publications, 4.13%
Nano Letters	Nano Letters, 65, 4.07% Nano Letters 65 publications, 4.07%
Journal of Physical Chemistry C	Journal of Physical Chemistry C, 57, 3.56% Journal of Physical Chemistry C 57 publications, 3.56%
ACS applied materials & interfaces	ACS applied materials & interfaces, 55, 3.44% ACS applied materials & interfaces 55 publications, 3.44%
Applied Physics Letters	Applied Physics Letters, 54, 3.38% Applied Physics Letters 54 publications, 3.38%
Journal of Materials Chemistry C	Journal of Materials Chemistry C, 48, 3% Journal of Materials Chemistry C 48 publications, 3%
Nanoscale	Nanoscale, 45, 2.81% Nanoscale 45 publications, 2.81%
Advanced Functional Materials	Advanced Functional Materials, 44, 2.75% Advanced Functional Materials 44 publications, 2.75%
Nanotechnology	Nanotechnology, 34, 2.13% Nanotechnology 34 publications, 2.13%
Chemistry of Materials	Chemistry of Materials, 32, 2% Chemistry of Materials 32 publications, 2%
Advanced Optical Materials	Advanced Optical Materials, 31, 1.94% Advanced Optical Materials 31 publications, 1.94%
Journal of the American Chemical Society	Journal of the American Chemical Society, 30, 1.88% Journal of the American Chemical Society 30 publications, 1.88%
Small	Small, 27, 1.69% Small 27 publications, 1.69%
Nature Communications	Nature Communications, 24, 1.5% Nature Communications 24 publications, 1.5%
ACS Photonics	ACS Photonics, 21, 1.31% ACS Photonics 21 publications, 1.31%
Journal of Physical Chemistry Letters	Journal of Physical Chemistry Letters, 18, 1.13% Journal of Physical Chemistry Letters 18 publications, 1.13%
Scientific Reports	Scientific Reports, 17, 1.06% Scientific Reports 17 publications, 1.06%
Journal of Materials Chemistry A	Journal of Materials Chemistry A, 16, 1% Journal of Materials Chemistry A 16 publications, 1%
RSC Advances	RSC Advances, 16, 1% RSC Advances 16 publications, 1%
Journal of Materials Science: Materials in Electronics	Journal of Materials Science: Materials in Electronics, 15, 0.94% Journal of Materials Science: Materials in Electronics 15 publications, 0.94%
Organic Electronics	Organic Electronics, 15, 0.94% Organic Electronics 15 publications, 0.94%
ACS Applied Electronic Materials	ACS Applied Electronic Materials, 15, 0.94% ACS Applied Electronic Materials 15 publications, 0.94%
Journal of Applied Physics	Journal of Applied Physics, 14, 0.88% Journal of Applied Physics 14 publications, 0.88%
Nature Photonics	Nature Photonics, 14, 0.88% Nature Photonics 14 publications, 0.88%
Nanomaterials	Nanomaterials, 13, 0.81% Nanomaterials 13 publications, 0.81%
Nature Nanotechnology	Nature Nanotechnology, 13, 0.81% Nature Nanotechnology 13 publications, 0.81%
Langmuir	Langmuir, 12, 0.75% Langmuir 12 publications, 0.75%
Journal of Alloys and Compounds	Journal of Alloys and Compounds, 11, 0.69% Journal of Alloys and Compounds 11 publications, 0.69%
	10 20 30 40 50 60 70 80 90

Citations by publishers

	50 100 150 200 250 300 350 400 450
American Chemical Society (ACS)	American Chemical Society (ACS), 415, 25.95% American Chemical Society (ACS) 415 publications, 25.95%
Wiley	Wiley, 299, 18.7% Wiley 299 publications, 18.7%
Elsevier	Elsevier, 196, 12.26% Elsevier 196 publications, 12.26%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 177, 11.07% Royal Society of Chemistry (RSC) 177 publications, 11.07%
Springer Nature	Springer Nature, 155, 9.69% Springer Nature 155 publications, 9.69%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 84, 5.25% American Institute of Physics (AIP) 84 publications, 5.25%
IOP Publishing	IOP Publishing, 60, 3.75% IOP Publishing 60 publications, 3.75%
IEEE	IEEE, 37, 2.31% IEEE 37 publications, 2.31%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 31, 1.94% Multidisciplinary Digital Publishing Institute (MDPI) 31 publications, 1.94%
Optical Society of America	Optical Society of America, 18, 1.13% Optical Society of America 18 publications, 1.13%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 10, 0.63% American Association for the Advancement of Science (AAAS) 10 publications, 0.63%
American Physical Society (APS)	American Physical Society (APS), 9, 0.56% American Physical Society (APS) 9 publications, 0.56%
SPIE	SPIE, 9, 0.56% SPIE 9 publications, 0.56%
Walter de Gruyter	Walter de Gruyter, 8, 0.5% Walter de Gruyter 8 publications, 0.5%
Pleiades Publishing	Pleiades Publishing, 7, 0.44% Pleiades Publishing 7 publications, 0.44%
Materials Research Society	Materials Research Society, 6, 0.38% Materials Research Society 6 publications, 0.38%
Cambridge University Press	Cambridge University Press, 6, 0.38% Cambridge University Press 6 publications, 0.38%
Taylor & Francis	Taylor & Francis, 6, 0.38% Taylor & Francis 6 publications, 0.38%
Japan Society of Applied Physics	Japan Society of Applied Physics, 5, 0.31% Japan Society of Applied Physics 5 publications, 0.31%
Institution of Engineering and Technology (IET)	Institution of Engineering and Technology (IET), 3, 0.19% Institution of Engineering and Technology (IET) 3 publications, 0.19%
World Scientific	World Scientific, 3, 0.19% World Scientific 3 publications, 0.19%
Trans Tech Publications	Trans Tech Publications, 3, 0.19% Trans Tech Publications 3 publications, 0.19%
Hindawi Limited	Hindawi Limited, 2, 0.13% Hindawi Limited 2 publications, 0.13%
American Vacuum Society	American Vacuum Society, 2, 0.13% American Vacuum Society 2 publications, 0.13%
The Electrochemical Society	The Electrochemical Society, 2, 0.13% The Electrochemical Society 2 publications, 0.13%
Oxford University Press	Oxford University Press, 2, 0.13% Oxford University Press 2 publications, 0.13%
Annual Reviews	Annual Reviews, 2, 0.13% Annual Reviews 2 publications, 0.13%
Beilstein-Institut	Beilstein-Institut, 1, 0.06% Beilstein-Institut 1 publication, 0.06%
The Chemical Society of Japan	The Chemical Society of Japan, 1, 0.06% The Chemical Society of Japan 1 publication, 0.06%
	50 100 150 200 250 300 350 400 450

We do not take into account publications without a DOI.
Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
Statistics recalculated weekly.

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Konstantatos G. et al. Ultrasensitive solution-cast quantum dot photodetectors // Nature. 2006. Vol. 442. No. 7099. pp. 180-183.

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Konstantatos G., Howard I., Fischer A., Hoogland S., Clifford J., Klem E., Levina L., Sargent E. H. Ultrasensitive solution-cast quantum dot photodetectors // Nature. 2006. Vol. 442. No. 7099. pp. 180-183.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1038/nature04855

UR - https://doi.org/10.1038/nature04855

TI - Ultrasensitive solution-cast quantum dot photodetectors

T2 - Nature

AU - Konstantatos, Gerasimos

AU - Howard, Ian

AU - Fischer, Armin

AU - Hoogland, Sjoerd

AU - Clifford, Jason

AU - Klem, Ethan

AU - Levina, Larissa

AU - Sargent, Edward H

PY - 2006

DA - 2006/07/13 00:00:00

PB - Springer Nature

SP - 180-183

IS - 7099

VL - 442

SN - 0028-0836

SN - 1476-4687

ER -

BibTex |

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BibTex Copy

@article{2006_Konstantatos,

author = {Gerasimos Konstantatos and Ian Howard and Armin Fischer and Sjoerd Hoogland and Jason Clifford and Ethan Klem and Larissa Levina and Edward H Sargent},

title = {Ultrasensitive solution-cast quantum dot photodetectors},

journal = {Nature},

year = {2006},

volume = {442},

publisher = {Springer Nature},

month = {jul},

url = {https://doi.org/10.1038/nature04855},

number = {7099},

pages = {180--183},

doi = {10.1038/nature04855}

}

MLA

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MLA Copy

Konstantatos, Gerasimos, et al. “Ultrasensitive solution-cast quantum dot photodetectors.” Nature, vol. 442, no. 7099, Jul. 2006, pp. 180-183. https://doi.org/10.1038/nature04855.

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Publisher

Springer Nature

Journal

Nature

Quartile SCImago

Quartile WOS

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64.8

ISSN

00280836 (Print)
14764687 (Electronic)