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Electrochemical Characterization of Vertically Aligned Carbon Nanofiber Arrays Prepared by Hole‐mask Colloidal Lithography
Author(s) -
Robinson Jendai E.,
Heineman William R.,
Sagle Laura B.,
Meyyappan M.,
Koehne Jessica E.
Publication year - 2016
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201600303
Subject(s) - materials science , nanotechnology , cyclic voltammetry , chronoamperometry , lithography , carbon nanofiber , nanofiber , polystyrene , fabrication , electron beam lithography , chemical vapor deposition , carbon nanotube , chemical engineering , electrochemistry , optoelectronics , electrode , polymer , composite material , resist , chemistry , medicine , alternative medicine , pathology , layer (electronics) , engineering
Nanoelectrode arrays consisting of vertically aligned carbon nanofibers were prepared through plasma enhanced chemical vapor deposition and patterned using hole‐mask colloidal lithography (HCL), a simple fabrication method employed as a cost‐effective patterning alternative to the conventional electron beam lithography. The density of the carbon nanofibers was easily altered by changing the concentration of the polystyrene spheres employed in HCL. Cyclic voltammetry and chronoamperometry were used to electrochemically characterize the arrays of different density. Results indicate that the density of the carbon nanofibers leads to differences in the macro/micro electroactive surface areas.