Hydrophilic modification of multi-walled carbon nanotubes based neural microelectrode array

This paper reports an improved method for reducing the impedance of microelectrode array (MEA). The impedance reduction is generally required by increasing the effective surface area of electrode. We have fabricated and treated the multi-walled carbon nanotubes (MWCNTs) based MEA for neuroscience ap...

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Hauptverfasser:	Chen, C.H., Su, H.C., Chuang, S.C., Yen, S.J., Chen, Y.C., Lee, Y.T., Yew, T.R., Chen, H., Yeh, S.R., Chang, Y.C., Yao, D.J.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Carbon nanotubes Electrodes Microelectrode Array Microelectrodes Multi Walled Carbon Nanotubes Neural microtechnology Neuroscience Plasma applications Plasma properties Plasma temperature Surface impedance Surface treatment
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Beschreibung
Zusammenfassung:	This paper reports an improved method for reducing the impedance of microelectrode array (MEA). The impedance reduction is generally required by increasing the effective surface area of electrode. We have fabricated and treated the multi-walled carbon nanotubes (MWCNTs) based MEA for neuroscience application. The effect of plasma treatment on the surface wettability of MWCNTs was examined and characterized. The H 2 O plasma treatment was utilized to modify the surface of MWCNTs from superhydrophobic to superhydrophilic. The treated recipe of power under 25 W for 10 sec could improve the electro-chemical and biological properties efficiently.
ISSN:	2159-547X
DOI:	10.1109/SENSOR.2009.5285978