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Conference Paper
Fabrication of Gold Multi-Electrode Array with Bi-Layer Lift-Off Resist Technique and Surface Modification with Gold Nanoparticles by Electrochemical Deposition
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- Issue Date
- 2013-08
- Citation
- Conference on Nanotechnology (IEEE-NANO) 2013, pp.604-607
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- Electrochemical deposition of gold nanoparticles (Au NPs) on the gold multi-electrode array (MEA) fabricated with bi-layer lift-off resist sputter-deposition technique was performed. Electrochemical deposition was performed by potentiostatic and cyclic voltammetry method. The surface of Au NP-modified electrode showed various morphologies with applied voltage and the concentration of HAuCl4 solution. The Au NP-modified electrode was characterized by electrochemical impedance spectroscopy and cyclic voltammogram. The performance of Au NP-modified MEA was also tested by neuronal signal recording. The Au NP-modified MEA exhibited lower baseline noises and can record neuronal spike signals longer than the bare Au MEA. © 2013 IEEE.
- KSP Keywords
- Au nanoparticles(Au-NPs), Bi-layer, Cyclic voltammogram, Deposition of gold nanoparticles, Deposition technique, Electrochemical Deposition, Electrochemical Impedance Spectroscopy, Gold Nanoparticles(GNPs), Lift-off resist, Multi-electrode array, Neuronal spike