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On-wire lithography.
Lidong Qin1, Sungho Park, Ling Huang
1Department of Chemistry and Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA.
Science (New York, N.Y.)
|July 5, 2005
Summary
We developed a high-throughput method for fabricating nanoscale structures on nanowires. This on-wire lithography technique enables precise creation of disk arrays and gaps for studying electronic properties.
Area of Science:
- Nanotechnology
- Materials Science
- Electrical Engineering
Background:
- Fabricating nanoscale structures on one-dimensional nanowires is crucial for advanced electronic devices.
- Existing methods often lack the throughput or precision required for complex architectures.
Purpose of the Study:
- To introduce and validate a high-throughput procedure for lithographically processing nanowires.
- To enable the routine fabrication of face-to-face disk arrays and gap structures on nanowires.
Main Methods:
- Developed a novel 'on-wire lithography' technique.
- Combined template-directed nanowire synthesis, electrochemical deposition, and wet-chemical etching.
- Utilized dip-pen nanolithography for depositing conducting polymers into fabricated gaps.
