Circular Graphene Platelets with Grain Size and Orientation Gradients Grown by Chemical Vapor Deposition.
basic_science · Level V
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- Record sourced from PubMed, PMID 28240393.
- Also identified by DOI 10.1002/adma.201605451.
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Abstract
Monolayer circular graphene platelets with a grain structure gradient in the radial direction are synthesized by chemical vapor deposition on immiscible W-Cu substrates. Because of the different interactions and growth behaviors of graphene on Cu and tungsten carbide, such substrates cause the formation of grain size and orientation gradients through the competition between Cu and tungsten carbide in graphene growth.