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MoS2/Epitaxial graphene layered electrodes for solid-state supercapacitors

Amjadipour, Mojtaba; Bradford, Jonathan; Zebardastan, Negar; Motta, Nunzio; Iacopi, Francesca

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Authors

Mojtaba Amjadipour

Negar Zebardastan

Nunzio Motta

Francesca Iacopi



Abstract

The potential of transition metal dichalcogenides such as MoS2 for energy storage has been significantly limited so far by the lack of conductivity and structural stability. Employing highly conductive, graphitic materials in combination with transition metal dichalcogenides can address this gap. Here, we explore the use of a layered electrode structure for solid-state supercapacitors, made of MoS2 and epitaxial graphene (EG) on cubic silicon carbide for on-silicon energy storage. We show that the energy storage of the solid-state supercapacitors can be significantly increased by creating layered MoS2/graphene electrodes, yielding a substantial improvement as compared to electrodes using either EG or MoS2 alone. We conclude that the conductivity of EG and the growth morphology of MoS2 on graphene play an enabling role in the successful use of transition metal dichalcogenides for on-chip energy storage.

Journal Article Type Article
Acceptance Date Feb 1, 2021
Online Publication Date Feb 15, 2021
Publication Date May 7, 2021
Deposit Date Jun 18, 2021
Publicly Available Date Feb 16, 2022
Journal Nanotechnology
Print ISSN 0957-4484
Electronic ISSN 1361-6528
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 32
Issue 19
Article Number 195401
DOI https://doi.org/10.1088/1361-6528/abe1f1
Keywords Mechanical Engineering; Electrical and Electronic Engineering; General Materials Science; Mechanics of Materials; Bioengineering; General Chemistry
Public URL https://nottingham-repository.worktribe.com/output/5690904
Publisher URL https://iopscience.iop.org/article/10.1088/1361-6528/abe1f1
Additional Information Article Title: MoS2/Epitaxial graphene layered electrodes for solid-state supercapacitors; Journal Title: Nanotechnology; Article Type: paper; Copyright Information: © 2021 IOP Publishing Ltd; Date Received: 2020-10-13; Date Accepted: 2021-02-01; Online publication date: 2021-02-15

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