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29 December 2004 Electrochemically grown single-nanowire sensors
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Proceedings Volume 5593, Nanosensing: Materials and Devices; (2004)
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States
We report a fabrication technique that is potentially capable of producing arrays of individually addressable nanowire sensors with controlled dimensions, positions, alignments, and chemical compositions. The concept has been demonstrated with electrodeposition of palladium wires with 75 nm to 350 nm widths. We have also fabricated single and double conducting polymer nanowires (polyaniline and polypyrrole) with 100nm and 200nm widths using electrochemical direct growth. Using single Pd nanowires, we have also demonstrated hydrogen sensing. It is envisioned that these are the first steps towards nanowire sensor arrays capable of simultaneously detecting multiple chemical species.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Minhee Yun, Choonsup Lee, Richard P. Vasquez, Reginald M. Penner, Mangesh Bangar, Ashok Mulchandani, and Nosang V. Myung "Electrochemically grown single-nanowire sensors", Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004);

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