Energy Transfer from Quantum Dots to Graphene and MoS2: The Role of Absorption and Screening in Two-Dimensional Materials

Archana Raja; Andrés Montoya-Castillo; Johanna Zultak; Xiao Xiao Zhang; Ziliang Ye; Cyrielle Roquelet; Daniel A. Chenet; Arend M. Van Der Zande; Pinshane Huang; Steffen Jockusch; James Hone; David R. Reichman; Louis E. Brus; Tony F. Heinz

doi:10.1021/acs.nanolett.5b05012

Energy Transfer from Quantum Dots to Graphene and MoS₂: The Role of Absorption and Screening in Two-Dimensional Materials

Archana Raja, Andrés Montoya-Castillo, Johanna Zultak, Xiao Xiao Zhang, Ziliang Ye, Cyrielle Roquelet, Daniel A. Chenet, Arend M. Van Der Zande, Pinshane Huang, Steffen Jockusch, James Hone, David R. Reichman, Louis E. Brus, Tony F. Heinz

Research output: Contribution to journal › Article › peer-review

Abstract

We report efficient nonradiative energy transfer (NRET) from core-shell, semiconducting quantum dots to adjacent two-dimensional sheets of graphene and MoS₂ of single- and few-layer thickness. We observe quenching of the photoluminescence (PL) from individual quantum dots and enhanced PL decay rates in time-resolved PL, corresponding to energy transfer rates of 1-10 ns^-1. Our measurements reveal contrasting trends in the NRET rate from the quantum dot to the van der Waals material as a function of thickness. The rate increases significantly with increasing layer thickness of graphene, but decreases with increasing thickness of MoS₂ layers. A classical electromagnetic theory accounts for both the trends and absolute rates observed for the NRET. The countervailing trends arise from the competition between screening and absorption of the electric field of the quantum dot dipole inside the acceptor layers. We extend our analysis to predict the type of NRET behavior for the near-field coupling of a chromophore to a range of semiconducting and metallic thin film materials.

Original language	English (US)
Pages (from-to)	2328-2333
Number of pages	6
Journal	Nano letters
Volume	16
Issue number	4
DOIs	https://doi.org/10.1021/acs.nanolett.5b05012
State	Published - Apr 13 2016

Keywords

Energy transfer
MoS
dielectric screening
graphene
quantum dots
transition metal dichalcogenides

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

Online availability

10.1021/acs.nanolett.5b05012

Library availability

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Cite this

Raja, A., Montoya-Castillo, A., Zultak, J., Zhang, X. X., Ye, Z., Roquelet, C., Chenet, D. A., Van Der Zande, A. M., Huang, P., Jockusch, S., Hone, J., Reichman, D. R., Brus, L. E., & Heinz, T. F. (2016). Energy Transfer from Quantum Dots to Graphene and MoS₂: The Role of Absorption and Screening in Two-Dimensional Materials. Nano letters, 16(4), 2328-2333. https://doi.org/10.1021/acs.nanolett.5b05012

Raja, A, Montoya-Castillo, A, Zultak, J, Zhang, XX, Ye, Z, Roquelet, C, Chenet, DA, Van Der Zande, AM , Huang, P, Jockusch, S, Hone, J, Reichman, DR, Brus, LE & Heinz, TF 2016, 'Energy Transfer from Quantum Dots to Graphene and MoS₂: The Role of Absorption and Screening in Two-Dimensional Materials', Nano letters, vol. 16, no. 4, pp. 2328-2333. https://doi.org/10.1021/acs.nanolett.5b05012

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title = "Energy Transfer from Quantum Dots to Graphene and MoS2: The Role of Absorption and Screening in Two-Dimensional Materials",

abstract = "We report efficient nonradiative energy transfer (NRET) from core-shell, semiconducting quantum dots to adjacent two-dimensional sheets of graphene and MoS2 of single- and few-layer thickness. We observe quenching of the photoluminescence (PL) from individual quantum dots and enhanced PL decay rates in time-resolved PL, corresponding to energy transfer rates of 1-10 ns-1. Our measurements reveal contrasting trends in the NRET rate from the quantum dot to the van der Waals material as a function of thickness. The rate increases significantly with increasing layer thickness of graphene, but decreases with increasing thickness of MoS2 layers. A classical electromagnetic theory accounts for both the trends and absolute rates observed for the NRET. The countervailing trends arise from the competition between screening and absorption of the electric field of the quantum dot dipole inside the acceptor layers. We extend our analysis to predict the type of NRET behavior for the near-field coupling of a chromophore to a range of semiconducting and metallic thin film materials.",

keywords = "Energy transfer, MoS, dielectric screening, graphene, quantum dots, transition metal dichalcogenides",

author = "Archana Raja and Andr{\'e}s Montoya-Castillo and Johanna Zultak and Zhang, {Xiao Xiao} and Ziliang Ye and Cyrielle Roquelet and Chenet, {Daniel A.} and {Van Der Zande}, {Arend M.} and Pinshane Huang and Steffen Jockusch and James Hone and Reichman, {David R.} and Brus, {Louis E.} and Heinz, {Tony F.}",

note = "Funding Information: This work was supported by the National Science Foundation MRSEC program through the Center for Precision Assembly of Superstratic and Superatomic Solids (Grant DMR-1420634), with additional funding for the single quantum dot imaging from the W. M. Keck Foundation, for the characterization of 2D materials from the Air Force Office of Scientific Research (Grant FA9550-14-1-0268) and for data analysis from the AMOS program, Chemical Sciences, Geosciences, and Biosciences Division, Basic Energy Sciences, Office of Science, US Department of Energy (Contract DEAC02-76-SFO0515). Publisher Copyright: {\textcopyright} 2016 American Chemical Society.",

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doi = "10.1021/acs.nanolett.5b05012",

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T2 - The Role of Absorption and Screening in Two-Dimensional Materials

AU - Raja, Archana

AU - Montoya-Castillo, Andrés

AU - Zultak, Johanna

AU - Zhang, Xiao Xiao

AU - Ye, Ziliang

AU - Roquelet, Cyrielle

AU - Chenet, Daniel A.

AU - Van Der Zande, Arend M.

AU - Huang, Pinshane

AU - Jockusch, Steffen

AU - Hone, James

AU - Reichman, David R.

AU - Brus, Louis E.

AU - Heinz, Tony F.

N1 - Funding Information: This work was supported by the National Science Foundation MRSEC program through the Center for Precision Assembly of Superstratic and Superatomic Solids (Grant DMR-1420634), with additional funding for the single quantum dot imaging from the W. M. Keck Foundation, for the characterization of 2D materials from the Air Force Office of Scientific Research (Grant FA9550-14-1-0268) and for data analysis from the AMOS program, Chemical Sciences, Geosciences, and Biosciences Division, Basic Energy Sciences, Office of Science, US Department of Energy (Contract DEAC02-76-SFO0515). Publisher Copyright: © 2016 American Chemical Society.

PY - 2016/4/13

Y1 - 2016/4/13

N2 - We report efficient nonradiative energy transfer (NRET) from core-shell, semiconducting quantum dots to adjacent two-dimensional sheets of graphene and MoS2 of single- and few-layer thickness. We observe quenching of the photoluminescence (PL) from individual quantum dots and enhanced PL decay rates in time-resolved PL, corresponding to energy transfer rates of 1-10 ns-1. Our measurements reveal contrasting trends in the NRET rate from the quantum dot to the van der Waals material as a function of thickness. The rate increases significantly with increasing layer thickness of graphene, but decreases with increasing thickness of MoS2 layers. A classical electromagnetic theory accounts for both the trends and absolute rates observed for the NRET. The countervailing trends arise from the competition between screening and absorption of the electric field of the quantum dot dipole inside the acceptor layers. We extend our analysis to predict the type of NRET behavior for the near-field coupling of a chromophore to a range of semiconducting and metallic thin film materials.

AB - We report efficient nonradiative energy transfer (NRET) from core-shell, semiconducting quantum dots to adjacent two-dimensional sheets of graphene and MoS2 of single- and few-layer thickness. We observe quenching of the photoluminescence (PL) from individual quantum dots and enhanced PL decay rates in time-resolved PL, corresponding to energy transfer rates of 1-10 ns-1. Our measurements reveal contrasting trends in the NRET rate from the quantum dot to the van der Waals material as a function of thickness. The rate increases significantly with increasing layer thickness of graphene, but decreases with increasing thickness of MoS2 layers. A classical electromagnetic theory accounts for both the trends and absolute rates observed for the NRET. The countervailing trends arise from the competition between screening and absorption of the electric field of the quantum dot dipole inside the acceptor layers. We extend our analysis to predict the type of NRET behavior for the near-field coupling of a chromophore to a range of semiconducting and metallic thin film materials.

KW - Energy transfer

KW - MoS

KW - dielectric screening

KW - graphene

KW - quantum dots

KW - transition metal dichalcogenides

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