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Title: Nanowire sensors and arrays for chemical/biomolecule detection
Authors: Yun, Minhee
Lee, Choonsup
Vasquez, Richard P.
Ramanathan, K.
Bangar, M. A.
Chen, W.
Mulchandan, A.
Myung, N. V.
Keywords: nanowire
sensor array
conductiong polymer nanowires
Issue Date: 8-May-2005
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005.
Citation: Nanotech 2005, Anaheim, California, May 8-12, 2005.
Abstract: We report electrochemical growth of single nanowire based sensors using e-beam patterned electrolyte channels, potentially enabling the controlled fabrication of individually addressable high density arrays. The electrodeposition technique results in nanowires with controlled dimensions, positions, alignments, and chemical compositions. Using this technique, we have fabricated single palladium nanowires with diameters ranging between 75 nm and 300 nm and conducting polymer nanowires (polypyrrole and polyaniline) with diameters between 100 nm and 200 nm. Using these single nanowires, we have successfully demonstrated gas sensing with Pd nanowires and pH sensing with polypirrole nanowires.
Appears in Collections:JPL TRS 1992+

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