Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical Response
TiO2 nanotubes (TNTs) were fabricated by electrochemical oxidation of Ti foil in a standard two-electrode cell-containing NH4F. The effects of bath temperature, voltage ramp prior to constant voltage held during anodization and present of complexing agent on the crystalline phase, nanotube growth, a...
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/2012/638017 |
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| author | Ying-Chin Lim Zulkarnain Zainal Wee-Tee Tan Mohd Zobir Hussein |
| author_facet | Ying-Chin Lim Zulkarnain Zainal Wee-Tee Tan Mohd Zobir Hussein |
| author_sort | Ying-Chin Lim |
| collection | DOAJ |
| description | TiO2 nanotubes (TNTs) were fabricated by electrochemical oxidation of Ti foil in a standard two-electrode cell-containing NH4F. The effects of bath temperature, voltage ramp prior to constant voltage held during anodization and present of complexing agent on the crystalline phase, nanotube growth, and dimensional change of TNT were investigated using XRD and FESEM. The results show that tube length decreases with bath temperature attributed to faster chemical dissolution rate at high temperature. However, nanotubes growth rate was enhanced by ~260% with the addition of EDTA as the complexing agent. Meanwhile, the nanotubes diameter was found to be proportionally dependent on bath temperature but independent of the voltage ramp and addition of EDTA. Photoelectrochemical response under illumination was enhanced by using the calcined TNT and is strongly affected by its dimensional changes. Thus, desired properties of TNT can be obtained by tuning the electrochemical condition for a wide-range application. |
| format | Article |
| id | doaj-art-22454ad6f5cd42b99eca10ac635ff7b3 |
| institution | Kabale University |
| issn | 1110-662X 1687-529X |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Photoenergy |
| spelling | doaj-art-22454ad6f5cd42b99eca10ac635ff7b32025-02-03T06:05:06ZengWileyInternational Journal of Photoenergy1110-662X1687-529X2012-01-01201210.1155/2012/638017638017Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical ResponseYing-Chin Lim0Zulkarnain Zainal1Wee-Tee Tan2Mohd Zobir Hussein3Centre of Excellence for Catalysis Science and Technology and Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Selangor Darul Ehsan, 43400 Serdang, MalaysiaCentre of Excellence for Catalysis Science and Technology and Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Selangor Darul Ehsan, 43400 Serdang, MalaysiaDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, Selangor Darul Ehsan, 43400 Serdang, MalaysiaCentre of Excellence for Catalysis Science and Technology and Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Selangor Darul Ehsan, 43400 Serdang, MalaysiaTiO2 nanotubes (TNTs) were fabricated by electrochemical oxidation of Ti foil in a standard two-electrode cell-containing NH4F. The effects of bath temperature, voltage ramp prior to constant voltage held during anodization and present of complexing agent on the crystalline phase, nanotube growth, and dimensional change of TNT were investigated using XRD and FESEM. The results show that tube length decreases with bath temperature attributed to faster chemical dissolution rate at high temperature. However, nanotubes growth rate was enhanced by ~260% with the addition of EDTA as the complexing agent. Meanwhile, the nanotubes diameter was found to be proportionally dependent on bath temperature but independent of the voltage ramp and addition of EDTA. Photoelectrochemical response under illumination was enhanced by using the calcined TNT and is strongly affected by its dimensional changes. Thus, desired properties of TNT can be obtained by tuning the electrochemical condition for a wide-range application.http://dx.doi.org/10.1155/2012/638017 |
| spellingShingle | Ying-Chin Lim Zulkarnain Zainal Wee-Tee Tan Mohd Zobir Hussein Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical Response International Journal of Photoenergy |
| title | Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical Response |
| title_full | Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical Response |
| title_fullStr | Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical Response |
| title_full_unstemmed | Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical Response |
| title_short | Anodization Parameters Influencing the Growth of Titania Nanotubes and Their Photoelectrochemical Response |
| title_sort | anodization parameters influencing the growth of titania nanotubes and their photoelectrochemical response |
| url | http://dx.doi.org/10.1155/2012/638017 |
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