Nanowire Growth for Sensor Arrays

Details Nanowire Growth for Sensor Arrays Nanowire Growth for Sensor Arrays

2003-10-03

arxiv.org/abs/cond-mat/0310075v1

Physics

Condensed Matter

Materials Science

To appear in Nanofabrication Technologies, Ed. E. A. Dobisz, SPIE Proceedings 5220, pp. xxx (2003, in press)

Scientific paper

10.1117/12.507189

A design concept for nanowire-based sensors and arrays is described. The fabrication technique involves electrodeposition to directly grow nanowires between patterned thin film contact electrodes. To prove our concept, we have electrodeposited 1-mm diameter Pd single wires and small arrays. To demonstrate nanowire sensors, we have electrochemically grown metal (Pd, Au, Pt), metal oxide (Sb2O3), and conducting polymer (polyaniline) bundled nanowires. Using Pt bundled nanowires surface modified with glucose oxidase, we have demonstrated glucose detection as a demonstration of a biomolecular sensor.

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