Nature Nanotechnology, volume 7, issue 6, pages 369-373

Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control.

Liangfeng Sun ^{1, 2}

Joshua J Choi ^{1, 3}

David Stachnik ¹

Adam C. Bartnik ¹

Byung Ryool Hyun ¹

George G Malliaras ^{4, 5}

Tobias Hanrath ³

Frank W Wise ¹

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School of Applied and Engineering Physics, Cornell University, Ithaca, USA |

Present address: Department of Physics and Astronomy, Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, USA, |

School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, USA |

⁴

Department of Materials Science and Engineering, Cornell University, Ithaca, USA |

⁵

Present address: Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC, Gardanne, France, |

Publication type: Journal Article

Publication date: 2012-05-06

Springer Nature

Journal: Nature Nanotechnology

Quartile SCImago

Quartile WOS

Impact factor: 38.3

ISSN: 17483387, 17483395

DOI: 10.1038/nnano.2012.63

Copy DOI

Atomic and Molecular Physics, and Optics

Condensed Matter Physics

General Materials Science

Electrical and Electronic Engineering

Bioengineering

Biomedical Engineering

Abstract

Infrared light-emitting diodes are currently fabricated from direct-gap semiconductors using epitaxy, which makes them expensive and difficult to integrate with other materials. Light-emitting diodes based on colloidal semiconductor quantum dots, on the other hand, can be solution-processed at low cost, and can be directly integrated with silicon. However, so far, exciton dissociation and recombination have not been well controlled in these devices, and this has limited their performance. Here, by tuning the distance between adjacent PbS quantum dots, we fabricate thin-film quantum-dot light-emitting diodes that operate at infrared wavelengths with radiances (6.4 W sr(-1) m(-2)) eight times higher and external quantum efficiencies (2.0%) two times higher than the highest values previously reported. The distance between adjacent dots is tuned over a range of 1.3 nm by varying the lengths of the linker molecules from three to eight CH(2) groups, which allows us to achieve the optimum balance between charge injection and radiative exciton recombination. The electroluminescent powers of the best devices are comparable to those produced by commercial InGaAsP light-emitting diodes. By varying the size of the quantum dots, we can tune the emission wavelengths between 800 and 1,850 nm.

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Citations by journals

	5 10 15 20 25
ACS Nano	ACS Nano, 23, 5.29% ACS Nano 23 publications, 5.29%
Advanced Materials	Advanced Materials, 21, 4.83% Advanced Materials 21 publications, 4.83%
Journal of Materials Chemistry C	Journal of Materials Chemistry C, 20, 4.6% Journal of Materials Chemistry C 20 publications, 4.6%
Journal of Physical Chemistry C	Journal of Physical Chemistry C, 18, 4.14% Journal of Physical Chemistry C 18 publications, 4.14%
Nano Letters	Nano Letters, 17, 3.91% Nano Letters 17 publications, 3.91%
Advanced Functional Materials	Advanced Functional Materials, 14, 3.22% Advanced Functional Materials 14 publications, 3.22%
ACS applied materials & interfaces	ACS applied materials & interfaces, 14, 3.22% ACS applied materials & interfaces 14 publications, 3.22%
RSC Advances	RSC Advances, 13, 2.99% RSC Advances 13 publications, 2.99%
Journal of the American Chemical Society	Journal of the American Chemical Society, 12, 2.76% Journal of the American Chemical Society 12 publications, 2.76%
Nature Photonics	Nature Photonics, 11, 2.53% Nature Photonics 11 publications, 2.53%
Nanotechnology	Nanotechnology, 11, 2.53% Nanotechnology 11 publications, 2.53%
Journal of Physical Chemistry Letters	Journal of Physical Chemistry Letters, 11, 2.53% Journal of Physical Chemistry Letters 11 publications, 2.53%
Chemistry of Materials	Chemistry of Materials, 9, 2.07% Chemistry of Materials 9 publications, 2.07%
Nature Communications	Nature Communications, 8, 1.84% Nature Communications 8 publications, 1.84%
Chemical Reviews	Chemical Reviews, 7, 1.61% Chemical Reviews 7 publications, 1.61%
Physical Chemistry Chemical Physics	Physical Chemistry Chemical Physics, 7, 1.61% Physical Chemistry Chemical Physics 7 publications, 1.61%
Nanoscale	Nanoscale, 7, 1.61% Nanoscale 7 publications, 1.61%
Physical Review B	Physical Review B, 6, 1.38% Physical Review B 6 publications, 1.38%
Applied Physics Letters	Applied Physics Letters, 5, 1.15% Applied Physics Letters 5 publications, 1.15%
Scientific Reports	Scientific Reports, 5, 1.15% Scientific Reports 5 publications, 1.15%
ACS Photonics	ACS Photonics, 4, 0.92% ACS Photonics 4 publications, 0.92%
Small	Small, 4, 0.92% Small 4 publications, 0.92%
Nature Nanotechnology	Nature Nanotechnology, 4, 0.92% Nature Nanotechnology 4 publications, 0.92%
Advanced Optical Materials	Advanced Optical Materials, 4, 0.92% Advanced Optical Materials 4 publications, 0.92%
Langmuir	Langmuir, 4, 0.92% Langmuir 4 publications, 0.92%
ACS Energy Letters	ACS Energy Letters, 4, 0.92% ACS Energy Letters 4 publications, 0.92%
Journal of Applied Physics	Journal of Applied Physics, 3, 0.69% Journal of Applied Physics 3 publications, 0.69%
Journal of Chemical Physics	Journal of Chemical Physics, 3, 0.69% Journal of Chemical Physics 3 publications, 0.69%
Nature Materials	Nature Materials, 3, 0.69% Nature Materials 3 publications, 0.69%
	5 10 15 20 25

Citations by publishers

	20 40 60 80 100 120 140
American Chemical Society (ACS)	American Chemical Society (ACS), 135, 31.03% American Chemical Society (ACS) 135 publications, 31.03%
Wiley	Wiley, 74, 17.01% Wiley 74 publications, 17.01%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 62, 14.25% Royal Society of Chemistry (RSC) 62 publications, 14.25%
Springer Nature	Springer Nature, 46, 10.57% Springer Nature 46 publications, 10.57%
Elsevier	Elsevier, 40, 9.2% Elsevier 40 publications, 9.2%
IOP Publishing	IOP Publishing, 16, 3.68% IOP Publishing 16 publications, 3.68%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 14, 3.22% American Institute of Physics (AIP) 14 publications, 3.22%
American Physical Society (APS)	American Physical Society (APS), 7, 1.61% American Physical Society (APS) 7 publications, 1.61%
IEEE	IEEE, 4, 0.92% IEEE 4 publications, 0.92%
Optical Society of America	Optical Society of America, 4, 0.92% Optical Society of America 4 publications, 0.92%
Materials Research Society	Materials Research Society, 2, 0.46% Materials Research Society 2 publications, 0.46%
Japan Society of Applied Physics	Japan Society of Applied Physics, 2, 0.46% Japan Society of Applied Physics 2 publications, 0.46%
Pleiades Publishing	Pleiades Publishing, 2, 0.46% Pleiades Publishing 2 publications, 0.46%
Taylor & Francis	Taylor & Francis, 2, 0.46% Taylor & Francis 2 publications, 0.46%
Walter de Gruyter	Walter de Gruyter, 2, 0.46% Walter de Gruyter 2 publications, 0.46%
Bentham Science	Bentham Science, 1, 0.23% Bentham Science 1 publication, 0.23%
Emerald	Emerald, 1, 0.23% Emerald 1 publication, 0.23%
International Union of Crystallography (IUCr)	International Union of Crystallography (IUCr), 1, 0.23% International Union of Crystallography (IUCr) 1 publication, 0.23%
Uspekhi Fizicheskikh Nauk Journal	Uspekhi Fizicheskikh Nauk Journal, 1, 0.23% Uspekhi Fizicheskikh Nauk Journal 1 publication, 0.23%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 1, 0.23% Multidisciplinary Digital Publishing Institute (MDPI) 1 publication, 0.23%
Frontiers Media S.A.	Frontiers Media S.A., 1, 0.23% Frontiers Media S.A. 1 publication, 0.23%
Japan Society for Analytical Chemistry	Japan Society for Analytical Chemistry, 1, 0.23% Japan Society for Analytical Chemistry 1 publication, 0.23%
Cambridge University Press	Cambridge University Press, 1, 0.23% Cambridge University Press 1 publication, 0.23%
Polymer Society of Korea	Polymer Society of Korea, 1, 0.23% Polymer Society of Korea 1 publication, 0.23%
Alexandria University	Alexandria University, 1, 0.23% Alexandria University 1 publication, 0.23%
Thieme	Thieme, 1, 0.23% Thieme 1 publication, 0.23%
Oxford University Press	Oxford University Press, 1, 0.23% Oxford University Press 1 publication, 0.23%
Annual Reviews	Annual Reviews, 1, 0.23% Annual Reviews 1 publication, 0.23%
World Scientific	World Scientific, 1, 0.23% World Scientific 1 publication, 0.23%
	20 40 60 80 100 120 140

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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GOST Copy

Sun L. et al. Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control. // Nature Nanotechnology. 2012. Vol. 7. No. 6. pp. 369-373.

GOST all authors (up to 50) Copy

Sun L., Choi J. J., Stachnik D., Bartnik A. C., Hyun B. R., Malliaras G. G., Hanrath T., Wise F. W. Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control. // Nature Nanotechnology. 2012. Vol. 7. No. 6. pp. 369-373.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1038/nnano.2012.63

UR - https://doi.org/10.1038/nnano.2012.63

TI - Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control.

T2 - Nature Nanotechnology

AU - Sun, Liangfeng

AU - Choi, Joshua J

AU - Stachnik, David

AU - Bartnik, Adam C.

AU - Hyun, Byung Ryool

AU - Malliaras, George G

AU - Hanrath, Tobias

AU - Wise, Frank W

PY - 2012

DA - 2012/05/06 00:00:00

PB - Springer Nature

SP - 369-373

IS - 6

VL - 7

SN - 1748-3387

SN - 1748-3395

ER -

BibTex |

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BibTex Copy

@article{2012_Sun,

author = {Liangfeng Sun and Joshua J Choi and David Stachnik and Adam C. Bartnik and Byung Ryool Hyun and George G Malliaras and Tobias Hanrath and Frank W Wise},

title = {Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control.},

journal = {Nature Nanotechnology},

year = {2012},

volume = {7},

publisher = {Springer Nature},

month = {may},

url = {https://doi.org/10.1038/nnano.2012.63},

number = {6},

pages = {369--373},

doi = {10.1038/nnano.2012.63}

}

MLA

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MLA Copy

Sun, Liangfeng, et al. “Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control..” Nature Nanotechnology, vol. 7, no. 6, May. 2012, pp. 369-373. https://doi.org/10.1038/nnano.2012.63.

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Publisher

Springer Nature

Journal

Nature Nanotechnology

Quartile SCImago

Quartile WOS

Impact factor

38.3

ISSN

17483387 (Print)
17483395 (Electronic)