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Electrodeposited WS2 monolayers on patterned graphene
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Noori, .Y J., Thomas, S., Ramadan, S., Greenacre, V. K., Abdelazim, N. M., Han, Y., Zhang, J., Beanland, Richard, Hector, A. L., Klein, N., Reid, G., Bartlett, P. N. and de Groot, C. H. (2021) Electrodeposited WS2 monolayers on patterned graphene. 2D Materials, 9 (1). 015025. doi:10.1088/2053-1583/ac3dd6 ISSN 2053-1583.
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WRAP-Electrodeposited-WS2-monolayers-patterned-graphene-2022.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2896Kb) | Preview |
Official URL: http://dx.doi.org/10.1088/2053-1583/ac3dd6
Abstract
The development of scalable techniques to make two-dimensional (2D) material heterostructures is a major obstacle that needs to be overcome before these materials can be implemented in device technologies. Electrodeposition is an industrially compatible deposition technique that offers unique advantages in scaling 2D heterostructures. In this work, we demonstrate the electrodeposition of atomic layers of WS2 over graphene electrodes using a single source precursor. Using conventional microfabrication techniques, graphene was patterned to create micro-electrodes where WS2 was site-selectively deposited to form 2D heterostructures. We used various characterization techniques, including atomic force microscopy, transmission electron microscopy, Raman spectroscopy and x-ray photoelectron spectroscopy to show that our electrodeposited WS2 layers are highly uniform and can be grown over graphene at a controllable deposition rate. This technique to selectively deposit transition metal dichalcogenides over microfabricated graphene electrodes paves the way towards wafer-scale production of 2D material heterostructures for nanodevice applications.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TN Mining engineering. Metallurgy |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||
| Library of Congress Subject Headings (LCSH): | Two-dimensional materials , Transition metals, Transition metals -- Electric properties, Transition metal compounds , Tungsten compounds, Graphene , Heterostructures | |||||||||
| Journal or Publication Title: | 2D Materials | |||||||||
| Publisher: | IOP Publishing | |||||||||
| ISSN: | 2053-1583 | |||||||||
| Official Date: | 10 December 2021 | |||||||||
| Dates: |
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| Volume: | 9 | |||||||||
| Number: | 1 | |||||||||
| Article Number: | 015025 | |||||||||
| DOI: | 10.1088/2053-1583/ac3dd6 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Date of first compliant deposit: | 3 March 2022 | |||||||||
| Date of first compliant Open Access: | 3 March 2022 | |||||||||
| RIOXX Funder/Project Grant: |
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