Structural Correlations
in Heterogeneous Electron
Transfer at Monolayer and Multilayer Graphene Electrodes
- Publication date
- Publisher
Abstract
As a new form of carbon, graphene is attracting intense
interest
as an electrode material with widespread applications. In the present
study, the heterogeneous electron transfer (ET) activity of graphene
is investigated using scanning electrochemical cell microscopy (SECCM),
which allows electrochemical currents to be mapped at high spatial
resolution across a surface for correlation with the corresponding
structure and properties of the graphene surface. We establish that
the rate of heterogeneous ET at graphene increases systematically
with the number of graphene layers, and show that the stacking in
multilayers also has a subtle influence on ET kinetics