ACS Nano, volume 8, issue 6, pages 5863-5872

Energy level modification in lead sulfide quantum dot thin films through ligand exchange.

Patrick R. Brown ¹

Donghoon Kim ²

Richard R. Lunt ³

Ni Zhao ⁴

Moungi G. Bawendi ⁵

Jeffrey A. Grossman ²

Vladimir Bulović ⁶

Hide authors affiliations Show authors affiliations: 6 affiliations

Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States |

Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States |

Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, United States |

⁴

Department of Electronic Engineering, Chinese University of Hong Kong, Shatin, Hong Kong |

⁵

Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States |

⁶

Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States |

Publication type: Journal Article

Publication date: 2014-06-03

American Chemical Society (ACS)

Journal: ACS Nano

Quartile SCImago

Quartile WOS

Impact factor: 17.1

ISSN: 19360851, 1936086X

DOI: 10.1021/nn500897c

Copy DOI

General Physics and Astronomy

General Materials Science

General Engineering

Abstract

The electronic properties of colloidal quantum dots (QDs) are critically dependent on both QD size and surface chemistry. Modification of quantum confinement provides control of the QD bandgap, while ligand-induced surface dipoles present a hitherto underutilized means of control over the absolute energy levels of QDs within electronic devices. Here, we show that the energy levels of lead sulfide QDs, measured by ultraviolet photoelectron spectroscopy, shift by up to 0.9 eV between different chemical ligand treatments. The directions of these energy shifts match the results of atomistic density functional theory simulations and scale with the ligand dipole moment. Trends in the performance of photovoltaic devices employing ligand-modified QD films are consistent with the measured energy level shifts. These results identify surface-chemistry-mediated energy level shifts as a means of predictably controlling the electronic properties of colloidal QD films and as a versatile adjustable parameter in the performance optimization of QD optoelectronic devices.

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Citations by journals

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Journal of Physical Chemistry C	Journal of Physical Chemistry C, 53, 6.11% Journal of Physical Chemistry C 53 publications, 6.11%
ACS applied materials & interfaces	ACS applied materials & interfaces, 47, 5.42% ACS applied materials & interfaces 47 publications, 5.42%
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Nano Letters	Nano Letters, 29, 3.34% Nano Letters 29 publications, 3.34%
Journal of Physical Chemistry Letters	Journal of Physical Chemistry Letters, 29, 3.34% Journal of Physical Chemistry Letters 29 publications, 3.34%
Nanoscale	Nanoscale, 29, 3.34% Nanoscale 29 publications, 3.34%
Advanced Materials	Advanced Materials, 21, 2.42% Advanced Materials 21 publications, 2.42%
Advanced Functional Materials	Advanced Functional Materials, 19, 2.19% Advanced Functional Materials 19 publications, 2.19%
ACS Energy Letters	ACS Energy Letters, 19, 2.19% ACS Energy Letters 19 publications, 2.19%
Advanced Energy Materials	Advanced Energy Materials, 17, 1.96% Advanced Energy Materials 17 publications, 1.96%
Journal of Materials Chemistry C	Journal of Materials Chemistry C, 17, 1.96% Journal of Materials Chemistry C 17 publications, 1.96%
Small	Small, 16, 1.85% Small 16 publications, 1.85%
Nature Communications	Nature Communications, 16, 1.85% Nature Communications 16 publications, 1.85%
Journal of the American Chemical Society	Journal of the American Chemical Society, 15, 1.73% Journal of the American Chemical Society 15 publications, 1.73%
ACS Applied Nano Materials	ACS Applied Nano Materials, 14, 1.61% ACS Applied Nano Materials 14 publications, 1.61%
Journal of Materials Chemistry A	Journal of Materials Chemistry A, 11, 1.27% Journal of Materials Chemistry A 11 publications, 1.27%
ACS Photonics	ACS Photonics, 9, 1.04% ACS Photonics 9 publications, 1.04%
Nanomaterials	Nanomaterials, 9, 1.04% Nanomaterials 9 publications, 1.04%
Advanced Optical Materials	Advanced Optical Materials, 9, 1.04% Advanced Optical Materials 9 publications, 1.04%
Chemical Reviews	Chemical Reviews, 9, 1.04% Chemical Reviews 9 publications, 1.04%
Chemical Communications	Chemical Communications, 9, 1.04% Chemical Communications 9 publications, 1.04%
RSC Advances	RSC Advances, 9, 1.04% RSC Advances 9 publications, 1.04%
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Chemical Engineering Journal	Chemical Engineering Journal, 8, 0.92% Chemical Engineering Journal 8 publications, 0.92%
Solar Energy Materials and Solar Cells	Solar Energy Materials and Solar Cells, 8, 0.92% Solar Energy Materials and Solar Cells 8 publications, 0.92%
Applied Physics Letters	Applied Physics Letters, 7, 0.81% Applied Physics Letters 7 publications, 0.81%
Applied Surface Science	Applied Surface Science, 7, 0.81% Applied Surface Science 7 publications, 0.81%
Accounts of Chemical Research	Accounts of Chemical Research, 7, 0.81% Accounts of Chemical Research 7 publications, 0.81%
	10 20 30 40 50 60

Citations by publishers

	50 100 150 200 250 300 350
American Chemical Society (ACS)	American Chemical Society (ACS), 338, 38.99% American Chemical Society (ACS) 338 publications, 38.99%
Wiley	Wiley, 140, 16.15% Wiley 140 publications, 16.15%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 108, 12.46% Royal Society of Chemistry (RSC) 108 publications, 12.46%
Elsevier	Elsevier, 93, 10.73% Elsevier 93 publications, 10.73%
Springer Nature	Springer Nature, 62, 7.15% Springer Nature 62 publications, 7.15%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 23, 2.65% American Institute of Physics (AIP) 23 publications, 2.65%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 22, 2.54% Multidisciplinary Digital Publishing Institute (MDPI) 22 publications, 2.54%
IOP Publishing	IOP Publishing, 18, 2.08% IOP Publishing 18 publications, 2.08%
Pleiades Publishing	Pleiades Publishing, 5, 0.58% Pleiades Publishing 5 publications, 0.58%
Walter de Gruyter	Walter de Gruyter, 5, 0.58% Walter de Gruyter 5 publications, 0.58%
Optical Society of America	Optical Society of America, 4, 0.46% Optical Society of America 4 publications, 0.46%
Japan Society of Applied Physics	Japan Society of Applied Physics, 3, 0.35% Japan Society of Applied Physics 3 publications, 0.35%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 3, 0.35% American Association for the Advancement of Science (AAAS) 3 publications, 0.35%
The Electrochemical Society of Japan	The Electrochemical Society of Japan, 2, 0.23% The Electrochemical Society of Japan 2 publications, 0.23%
Cambridge University Press	Cambridge University Press, 2, 0.23% Cambridge University Press 2 publications, 0.23%
IEEE	IEEE, 2, 0.23% IEEE 2 publications, 0.23%
Bentham Science	Bentham Science, 1, 0.12% Bentham Science 1 publication, 0.12%
EDP Sciences	EDP Sciences, 1, 0.12% EDP Sciences 1 publication, 0.12%
SPIE	SPIE, 1, 0.12% SPIE 1 publication, 0.12%
SAGE	SAGE, 1, 0.12% SAGE 1 publication, 0.12%
Science in China Press	Science in China Press, 1, 0.12% Science in China Press 1 publication, 0.12%
Materials Research Society	Materials Research Society, 1, 0.12% Materials Research Society 1 publication, 0.12%
Korean Society of Industrial Engineering Chemistry	Korean Society of Industrial Engineering Chemistry, 1, 0.12% Korean Society of Industrial Engineering Chemistry 1 publication, 0.12%
Korean Chemical Society	Korean Chemical Society, 1, 0.12% Korean Chemical Society 1 publication, 0.12%
Taylor & Francis	Taylor & Francis, 1, 0.12% Taylor & Francis 1 publication, 0.12%
Proceedings of the National Academy of Sciences (PNAS)	Proceedings of the National Academy of Sciences (PNAS), 1, 0.12% Proceedings of the National Academy of Sciences (PNAS) 1 publication, 0.12%
Annual Reviews	Annual Reviews, 1, 0.12% Annual Reviews 1 publication, 0.12%
The Electrochemical Society	The Electrochemical Society, 1, 0.12% The Electrochemical Society 1 publication, 0.12%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 1, 0.12% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 1 publication, 0.12%
	50 100 150 200 250 300 350

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 |

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GOST Copy

Brown P. R. et al. Energy level modification in lead sulfide quantum dot thin films through ligand exchange. // ACS Nano. 2014. Vol. 8. No. 6. pp. 5863-5872.

GOST all authors (up to 50) Copy

Brown P. R., Kim D., Lunt R. R., Zhao N., Bawendi M. G., Grossman J. A., Bulović V. Energy level modification in lead sulfide quantum dot thin films through ligand exchange. // ACS Nano. 2014. Vol. 8. No. 6. pp. 5863-5872.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1021/nn500897c

UR - https://doi.org/10.1021/nn500897c

TI - Energy level modification in lead sulfide quantum dot thin films through ligand exchange.

T2 - ACS Nano

AU - Brown, Patrick R.

AU - Kim, Donghoon

AU - Lunt, Richard R.

AU - Zhao, Ni

AU - Bawendi, Moungi G.

AU - Grossman, Jeffrey A.

AU - Bulović, Vladimir

PY - 2014

DA - 2014/06/03 00:00:00

PB - American Chemical Society (ACS)

SP - 5863-5872

IS - 6

VL - 8

SN - 1936-0851

SN - 1936-086X

ER -

BibTex |

Cite this

BibTex Copy

@article{2014_Brown,

author = {Patrick R. Brown and Donghoon Kim and Richard R. Lunt and Ni Zhao and Moungi G. Bawendi and Jeffrey A. Grossman and Vladimir Bulović},

title = {Energy level modification in lead sulfide quantum dot thin films through ligand exchange.},

journal = {ACS Nano},

year = {2014},

volume = {8},

publisher = {American Chemical Society (ACS)},

month = {jun},

url = {https://doi.org/10.1021/nn500897c},

number = {6},

pages = {5863--5872},

doi = {10.1021/nn500897c}

}

MLA

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MLA Copy

Brown, Patrick R., et al. “Energy level modification in lead sulfide quantum dot thin films through ligand exchange..” ACS Nano, vol. 8, no. 6, Jun. 2014, pp. 5863-5872. https://doi.org/10.1021/nn500897c.

Found error?

Publisher

American Chemical Society (ACS)

Journal

ACS Nano

Quartile SCImago

Quartile WOS

Impact factor

17.1

ISSN

19360851 (Print)
1936086X (Electronic)