Enhancement of electrochemical properties of micro/nano electrodes based on TiO2 nanotube arrays

Khudhair, Dhurgham, Gaburro, Julie, Shafei, Sajjad, Barlow, A, Nahavandi, Saeid and Bhatti, Asim 2017, Enhancement of electrochemical properties of micro/nano electrodes based on TiO2 nanotube arrays, in ANNIC 2016 : Proceedings of the Applied Nanotechnology and Nanoscience International Conference, IOP Publishing, Bristol, Eng., pp. 1-7, doi: 10.1088/1742-6596/829/1/012010.

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Title Enhancement of electrochemical properties of micro/nano electrodes based on TiO2 nanotube arrays
Author(s) Khudhair, Dhurgham
Gaburro, JulieORCID iD for Gaburro, Julie orcid.org/0000-0001-6609-6429
Shafei, Sajjad
Barlow, A
Nahavandi, SaeidORCID iD for Nahavandi, Saeid orcid.org/0000-0002-0360-5270
Bhatti, AsimORCID iD for Bhatti, Asim orcid.org/0000-0001-6876-1437
Conference name American Nano Society. Conference (2016 : Barcelona, Spain)
Conference location Barcelona, Spain
Conference dates 2016/11/09 - 2016/11/11
Title of proceedings ANNIC 2016 : Proceedings of the Applied Nanotechnology and Nanoscience International Conference
Publication date 2017
Series American Nano Society Conference
Start page 1
End page 7
Total pages 7
Publisher IOP Publishing
Place of publication Bristol, Eng.
Keyword(s) Electrochemical properties
Micro/nano electrodes
TiO2 nanotube arrays
Titanium oxide nanotube (TiO2 nanotube)
Science & Technology
Physical Sciences
Nanoscience & Nanotechnology
Physics, Multidisciplinary
Physics
Summary Titanium oxide nanotube (TiO2 nanotube) arrays were produced by anodizing titanium foils in two different electrolytes. The first electrolyte consisted of ethylene glycol containing 0.5 wt% NH4F and 4 vol% of distilled water to produce pure TiO2 nanotube arrays and the second consisted of HF aqueous solution (0.5 wt%) containing 0.5% polyvinylalcohol to produce carbon doped TiO2 nanotube arrays. The fabricated TiO2 nanotube arrays were subsequently annealed in the atmosphere of nitrogen. The morphology and crystal structure of fabricated arrays were characterized by means of scanning electron microscopy and X-ray diffraction. The electrical conductivity and capacitance of TiO2 nanotube arrays were investigated by electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). Water contact angle and biocompatibility of fabricated nanotube arrays were investigated. The results showed that carbon doped TiO2 nanotube arrays annealed in the atmosphere of nitrogen have higher conductivity and capacitance than those of pure arrays annealed in the same atmosphere. Doping with carbon enhances the biocompatibility and wettability of TiO2 nanotube arrays. It has also noted that electrical conductivity and capacitance of TiO2 nanotube arrays were directly proportional to the tube wall thickness.
ISSN 1742-6588
1742-6596
Language eng
DOI 10.1088/1742-6596/829/1/012010
Field of Research 090303 Biomedical Instrumentation
090301 Biomaterials
090604 Microelectronics and Integrated Circuits
02 Physical Sciences
09 Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2017, the author(s)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30097020

Document type: Conference Paper
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