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Article . 2017 . Peer-reviewed
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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Integrated Freestanding Two‐dimensional Transition Metal Dichalcogenides

Authors: Jeong, Hyun; Oh, Hye Min; Gokarna, Anisha; Kim, Hyun; Yun, Seok Joon; Han, Gang Hee; Jeong, Mun Seok; +2 Authors

Integrated Freestanding Two‐dimensional Transition Metal Dichalcogenides

Abstract

This paper reports on the integration of freestanding transition metal dichalcogenides (TMDs). Monolayer (1‐L) MoS2, WS2, and WSe2 as representative TMDs are transferred on ZnO nanorods (NRs), used here as nanostructured substrates. The photoluminescence (PL) spectra of 1‐L TMDs on NRs show a giant PL intensity enhancement, compared with those of 1‐L TMDs on SiO2. The strong increases in Raman and PL intensities, along with the characteristic peak shifts, confirm the absence of stress in the TMDs on NRs. In depth analysis of the PL emission also reveals that the ratio between the exciton and trion peak intensity is almost not modified after transfer. The latter shows that the effect of charge transfer between the 1‐L TMDs and ZnO NRs is here negligible. Furthermore, confocal PL and Raman spectroscopy reveal a fairly consistent distribution of PL and Raman intensities. These observations are in agreement with a very limited points contact between the support and the 1‐L TMDs. The entire process reported here is scalable and may pave the way for the development of very efficient ultrathin optoelectronics.

Country
France
Keywords

Raman scattering, strain, [SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, transition metal dichalcogenides, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, photoluminescence, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, nanorods

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
39
Top 10%
Top 10%
Top 10%
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