Synthesis and characterization of graphene-palladium thin film composites for nano-gilding
Robertson, Matthew Glen
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https://hdl.handle.net/2142/98302
Description
Title
Synthesis and characterization of graphene-palladium thin film composites for nano-gilding
Author(s)
Robertson, Matthew Glen
Issue Date
2017-07-19
Director of Research (if dissertation) or Advisor (if thesis)
Tawfick, Sameh
Department of Study
Mechanical Sci & Engineering
Discipline
Mechanical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Graphene
Palladium
Chemical vapor deposition (CVD)
Abstract
Graphene is a superior material that exhibits excellent mechanical and electrical properties, as well as being useful for chemical functionalities. A few layers of graphene are extremely lightweight but highly multifunctional, and as such present an opportunity to add increasing performance to engineering design. However, it is difficult to uniformly apply a few layers of graphene directly onto materials, while maintaining the intrinsic properties of synthesized graphene and a strong interfacial strength between them. To the end of synthesizing useful graphene-based composites, chemical vapor deposition (CVD) growth of graphene on thin palladium leaves is studied for the potential of nano-gilding based coating of surfaces for added functionality. This work presents the study of gas-precursor CVD synthesis of mulit-layer graphene (MLG) on commercial palladium leaves at low temperature (800 ˚C). Raman mapping methods and nanoindentation for hardness of the composites are presented, as well as a discussion of the limitations on these techniques to analyze the present samples.
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