Abstract
Electrochemical Evaluation of Geometrical Effect and Three-dimensionalized Effect of Iridium Oxide Electrodes Used for Retinal Stimulation
Highlights
Neural stimulation has become increasingly important in the field of brain–machine interfaces, especially for sensory prosthesis
Our focus has been on achieving high-performance iridium oxide (IrOx) materials by optimizing the fabrication process and fundamental electrochemical properties.[11,12] The in vivo validation of neural stimulation by IrOx electrodes was successfully achieved.[13] we attempted another approach for enhancing the electrochemical performance by introducing a threedimensionalized electrode.[14] the potential of IrOx and the effectiveness of the three-dimensionalized electrode were demonstrated, quantitative evaluation of the electrode performance of the optimized electrode design has not yet been undertaken
Various types of planar electrodes based on IrOx were fabricated for the evaluation of the geometry dependence of the electrochemical performance
Summary
Neural stimulation has become increasingly important in the field of brain–machine interfaces, especially for sensory prosthesis. Our focus has been on achieving high-performance iridium oxide (IrOx) materials by optimizing the fabrication process and fundamental electrochemical properties.[11,12] The in vivo validation of neural stimulation by IrOx electrodes was successfully achieved.[13] we attempted another approach for enhancing the electrochemical performance by introducing a threedimensionalized electrode.[14] the potential of IrOx and the effectiveness of the three-dimensionalized electrode were demonstrated, quantitative evaluation of the electrode performance of the optimized electrode design has not yet been undertaken. The effects of geometrical properties, i.e., the size and shape of the electrodes, and the effect of three-dimensionalization on the electrochemical performance, were evaluated through electrochemical analysis of the electrodes. Three-dimensionalized electrodes were fabricated and electrochemical analysis was performed
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