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Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles

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Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles. / Catalán-Gómez, S.; Garg, S.; Redondo-Cubero, A. et al.
In: Nanoscale Advances, Vol. 1, No. 2, 01.02.2019, p. 884-893.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Catalán-Gómez, S, Garg, S, Redondo-Cubero, A, Gordillo, N, De Andrés, A, Nucciarelli, F, Kim, S, Kung, P & Pau, JL 2019, 'Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles', Nanoscale Advances, vol. 1, no. 2, pp. 884-893. https://doi.org/10.1039/c8na00094h

APA

Catalán-Gómez, S., Garg, S., Redondo-Cubero, A., Gordillo, N., De Andrés, A., Nucciarelli, F., Kim, S., Kung, P., & Pau, J. L. (2019). Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles. Nanoscale Advances, 1(2), 884-893. https://doi.org/10.1039/c8na00094h

Vancouver

Catalán-Gómez S, Garg S, Redondo-Cubero A, Gordillo N, De Andrés A, Nucciarelli F et al. Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles. Nanoscale Advances. 2019 Feb 1;1(2):884-893. Epub 2018 Nov 22. doi: 10.1039/c8na00094h

Author

Catalán-Gómez, S. ; Garg, S. ; Redondo-Cubero, A. et al. / Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles. In: Nanoscale Advances. 2019 ; Vol. 1, No. 2. pp. 884-893.

Bibtex

@article{cbeac5f3730f407494bfe73868755ac8,
title = "Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles",
abstract = "2D monolayer molybdenum disulphide (MoS2) has been the focus of intense research due to its direct bandgap compared with the indirect bandgap of its bulk counterpart; however its photoluminescence (PL) intensity is limited due to its low absorption efficiency. Herein, we use gallium hemispherical nanoparticles (Ga NPs) deposited by thermal evaporation on top of chemical vapour deposited MoS2 monolayers in order to enhance its luminescence. The influence of the NP radius and the laser wavelength is reported in PL and Raman experiments. In addition, the physics behind the PL enhancement factor is investigated. The results indicate that the prominent enhancement is caused by the localized surface plasmon resonance of the Ga NPs induced by a charge transfer phenomenon. This work sheds light on the use of alternative metals, besides silver and gold, for the improvement of MoS2 luminescence. {\textcopyright} 2019 The Royal Society of Chemistry.",
author = "S. Catal{\'a}n-G{\'o}mez and S. Garg and A. Redondo-Cubero and N. Gordillo and {De Andr{\'e}s}, A. and F. Nucciarelli and S. Kim and P. Kung and J.L. Pau",
year = "2019",
month = feb,
day = "1",
doi = "10.1039/c8na00094h",
language = "English",
volume = "1",
pages = "884--893",
journal = "Nanoscale Advances",
issn = "2516-0230",
publisher = "Royal Society of Chemistry",
number = "2",

}

RIS

TY - JOUR

T1 - Photoluminescence enhancement of monolayer MoS2 using plasmonic gallium nanoparticles

AU - Catalán-Gómez, S.

AU - Garg, S.

AU - Redondo-Cubero, A.

AU - Gordillo, N.

AU - De Andrés, A.

AU - Nucciarelli, F.

AU - Kim, S.

AU - Kung, P.

AU - Pau, J.L.

PY - 2019/2/1

Y1 - 2019/2/1

N2 - 2D monolayer molybdenum disulphide (MoS2) has been the focus of intense research due to its direct bandgap compared with the indirect bandgap of its bulk counterpart; however its photoluminescence (PL) intensity is limited due to its low absorption efficiency. Herein, we use gallium hemispherical nanoparticles (Ga NPs) deposited by thermal evaporation on top of chemical vapour deposited MoS2 monolayers in order to enhance its luminescence. The influence of the NP radius and the laser wavelength is reported in PL and Raman experiments. In addition, the physics behind the PL enhancement factor is investigated. The results indicate that the prominent enhancement is caused by the localized surface plasmon resonance of the Ga NPs induced by a charge transfer phenomenon. This work sheds light on the use of alternative metals, besides silver and gold, for the improvement of MoS2 luminescence. © 2019 The Royal Society of Chemistry.

AB - 2D monolayer molybdenum disulphide (MoS2) has been the focus of intense research due to its direct bandgap compared with the indirect bandgap of its bulk counterpart; however its photoluminescence (PL) intensity is limited due to its low absorption efficiency. Herein, we use gallium hemispherical nanoparticles (Ga NPs) deposited by thermal evaporation on top of chemical vapour deposited MoS2 monolayers in order to enhance its luminescence. The influence of the NP radius and the laser wavelength is reported in PL and Raman experiments. In addition, the physics behind the PL enhancement factor is investigated. The results indicate that the prominent enhancement is caused by the localized surface plasmon resonance of the Ga NPs induced by a charge transfer phenomenon. This work sheds light on the use of alternative metals, besides silver and gold, for the improvement of MoS2 luminescence. © 2019 The Royal Society of Chemistry.

U2 - 10.1039/c8na00094h

DO - 10.1039/c8na00094h

M3 - Journal article

VL - 1

SP - 884

EP - 893

JO - Nanoscale Advances

JF - Nanoscale Advances

SN - 2516-0230

IS - 2

ER -