期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 158, 期 3, 页码 J76-J80出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3531952
关键词
-
资金
- Ministry of Education, Science and Technology [R32-2008-000-20054-0, 2010-0015860]
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. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3531952] All rights reserved.
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