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User-friendly methodology for chemical vapor deposition -grown graphene-layers transfer: Design and implementation

Title
User-friendly methodology for chemical vapor deposition -grown graphene-layers transfer: Design and implementation
Author(s)
Nandanapalli, Koteeswara ReddyMudusu, DevikaJeong, WooseongMoon, G. D.Lee, Sungwon
Issued Date
2021-08
Citation
Materials Today Chemistry, v.21, pp.100546
Type
Article
Author Keywords
2D materialsMonolayer grapheneWet-transferEco-friendly methodElectrical characteristicOptoelectronic devices
Keywords
LOW CONTACT RESISTANCEELECTROCHEMICAL TRANSFERELECTRODESFILM
ISSN
2468-5194
Abstract
An ecofriendly wet-chemical methodology for the transfer of chemical vapor deposition-grown, two-dimensional (2D) graphene layers onto desired surfaces is proposed and demonstrated by transferring the graphene monolayers (GMLs) onto Si/SiO2 substrates. The quality and purity of transferred graphene layers along with their uniformity and electrical characteristics were examined. Furthermore, the areal uniformity of the transferred layers is explored by fabricating the devices with a configuration of graphene/insulator/metal (GIM). The transferred GMLs over Si/SiO2 substrates exhibited good uniformity with high chemical purity along with excellent electrical characteristics. The GIM-based devices fabricated over planar substrates showed high conductivity and low leakage current density. Based on these demonstrated outcomes, it is emphasized that the proposed methodology can be adopted for the transfer of any 2D materials irrespective of their size by avoiding chemical exposure and failure of the fabrication process that are the major hurdles in the conventional approach. (C) 2021 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/15670
DOI
10.1016/j.mtchem.2021.100546
Publisher
Elsevier
Related Researcher
  • 이성원 Lee, Sungwon
  • Research Interests Ultrathin Device Fabrication; Bio sensors Development; Functional Material Development
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Department of Physics and Chemistry Bio-Harmonized Device Lab 1. Journal Articles

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