Loading...
Thumbnail Image
Item

Study of the Surface Morphology of Thermally Annealed Copper Foils and Various Transfer Methods for Graphene

Sarajlic, Olesya
Citations
Altmetric:
Abstract

The surface morphology of thermally annealed copper foils utilized for graphene growth by chemical vapor deposition (CVD) has been studied by Optical microscopy, Scanning Electron Microscopy (SEM), and Scanning Tunneling Microscopy (STM) as a function of heat treatment. This study reports on the surface roughness and relative grain size before and after thermal annealing. The main results are that (a) the graphene covered foil exhibits reduced surface roughness, and (b) the graphene film preserves an imprint of the Cu grain structure. In the second part of the work, the transfer of CVD graphene is experimentally investigated using Poly(methyl methacrylate) (PMMA), Polycarbonate (PC), and Polystyrene (PS). Noticeable improvement to surface cleanness as well as electrical properties of graphene is observed after the ethanol treatment. Finally, Raman characterization showed apparent blue-shifts of the G and 2D bands suggesting that the graphene is heavily doped after the ethanol treatment.

Comments
Description
Date
2013-12-18
Journal Title
Journal ISSN
Volume Title
Publisher
Research Projects
Organizational Units
Journal Issue
Keywords
Graphene, Chemical Vapor Deposition, Average roughness, Surface height variations, Graphene transfer, Thermoplastic polymers
Citation
Sarajlic, Olesya. "Study of the Surface Morphology of Thermally Annealed Copper Foils and Various Transfer Methods for Graphene." Thesis, Georgia State University, 2013. https://doi.org/10.57709/4866188
Embargo Lift Date
2013-12-02
Embedded videos