Effects of Strategically Placed Water Droplets on Monolayer Growth of Molybdenum Disulfide

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This article presents results of molybdenum disulfide monolayer (MoS₂) growth by strategically placing water droplets on the growth substrate and/or in the source prior to its loading in the growth chamber.

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8 p.

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Jiang, Yan; Lin, Yuankun; Cui, Jingbiao & Philipose, Usha November 21, 2018.

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This article is part of the collection entitled: UNT Scholarly Works and was provided by UNT College of Arts and Sciences to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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This article presents results of molybdenum disulfide monolayer (MoS₂) growth by strategically placing water droplets on the growth substrate and/or in the source prior to its loading in the growth chamber.

Physical Description

8 p.

Notes

Abstract: Two-dimensional (2D) molybdenum disulfide (MoS2) films with a tunable bandgap hold great promise for next-generation electronic
and optoelectronic devices. Synthesis of large areas of high-quality MoS2 monolayers lacks experimental reproducibility.
Moreover, the outcome of MoS2 growth by chemical vapor deposition is dependent on several interconnected growth
parameters. In this study, we present results of MoS2 monolayer growth by strategically placing water droplets on the growth
substrate and/or in the source prior to its loading in the growth chamber. The volume and distribution of water on the growth
substrate and in the source had a direct impact on the morphology of the as-grown MoS2. Characterized by scanning electron
microscopy (SEM), Raman microscopy, and atomic force microscopy (AFM), the number and size of MoS2 layers as well as its
distribution on the growth substrate were found to have a strong dependence on the positioning of the water droplet. This
study on MoS2 monolayer growth using water droplets as a promoter provides a simple and reproducible experimental
technique enabling growth with high reliability.

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  • Journal of Nanomaterials, 2018. Cairo, Egypt: Hindawi Publishing Corporation

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  • Publication Title: Journal of Nanomaterials
  • Volume: 2018
  • Page Start: 1
  • Page End: 8
  • Peer Reviewed: Yes

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UNT Scholarly Works

Materials from the UNT community's research, creative, and scholarly activities and UNT's Open Access Repository. Access to some items in this collection may be restricted.

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  • November 21, 2018

Submitted Date

  • July 18, 2018

Accepted Date

  • October 10, 2018

Added to The UNT Digital Library

  • Dec. 19, 2018, 12:07 p.m.

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Jiang, Yan; Lin, Yuankun; Cui, Jingbiao & Philipose, Usha. Effects of Strategically Placed Water Droplets on Monolayer Growth of Molybdenum Disulfide, article, November 21, 2018; Cairo, Egypt. (digital.library.unt.edu/ark:/67531/metadc1393792/: accessed January 24, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.