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Issue 19, 2013

Layer-by-layer thinning of MoS2 by thermal annealing

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Abstract

By thermal annealing, few-layer MoS2 flakes can be thinned down. In one hour, the upper layer is peeled off due to sublimation. Eventually, monolayer MoS2 is achieved. We have characterized the process by optical contrast, Raman spectroscopy and atomic force microscopy (AFM), and observed a mixture of surfaces of N and N − 1 layers.

Graphical abstract: Layer-by-layer thinning of MoS2 by thermal annealing

Article information


Submitted
16 Jun 2013
Accepted
02 Jul 2013
First published
05 Jul 2013

This article is Open Access

Nanoscale, 2013,5, 8904-8908
Article type
Communication

Layer-by-layer thinning of MoS2 by thermal annealing

X. Lu, M. I. B. Utama, J. Zhang, Y. Zhao and Q. Xiong, Nanoscale, 2013, 5, 8904 DOI: 10.1039/C3NR03101B

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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