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Madou, Mark
BIO-MEMS Lab
Research Interests
  • Medical Diagnostics

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Carbon Interdigitated Array Nanoelectrodes for Electrochemical Applications

Cited 22 times inthomson ciCited 20 times inthomson ci
Title
Carbon Interdigitated Array Nanoelectrodes for Electrochemical Applications
Author
Heo, J. I.Shim, D. S.Teixidor, G. TuronOh, S.Madou, MarkShin, Heungjoo
Keywords
Amplification factors; Carbon material; Carbon-microelectromechanical systems; Conventional photolithography; Conversion process; Current amplification; e-Beam lithography; Efficient recycling; Electrochemical applications; Interdigitated arrays; Mask process; Nano-electrodes; Nanometer level; NanoPatterning; Noble metals; Precursor polymers; Redox current; Redox species
Issue Date
2011
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.158, no.3, pp.J76 - J80
Abstract
Redox current amplification has been demonstrated using carbon interdigitated array (IDA) nanoelectrodes derived from precursor polymer microstructures through conventional photolithography and pyrolysis. This simple conversion process, also known as carbon-microelectromechanical systems, enables nanometer-level fabrication of carbon materials in a reproducible and an economic manner. We demonstrated that with carbon IDA nanoelectrodes fabricated in two mask processes a current amplification factor of 25 can be obtained. This high amplification factor is a result of the efficient recycling of redox species between the 1:1 aspect ratio carbon nanoelectrodes. This type of a current amplification value is hard to obtain when using more traditional flat nanometer level spaced noble metal IDA electrodes fabricated with more expensive nanopatterning processes such as E-beam lithography.
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DOI
http://dx.doi.org/10.1149/1.3531952
ISSN
0013-4651
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MNE_Journal Papers
SLS_Journal Papers

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