Article: Annealing study of titanium oxide nanotube arrays
| Title | Annealing study of titanium oxide nanotube arrays | ||||
|---|---|---|---|---|---|
| Authors | Yang, B1 Ng, CK1 Fung, MK1 Ling, CC1 Djurišić, AB1 Fung, S1 | ||||
| Keywords | Annealing Defects Nanostructures Positron annihilation spectroscopy | ||||
| Issue Date | 2011 | ||||
| Publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/matchemphys | ||||
| Citation | Materials Chemistry And Physics, 2011, v. 130 n. 3, p. 1227-1231 [How to Cite?] DOI: http://dx.doi.org/10.1016/j.matchemphys.2011.08.063 | ||||
| Abstract | Titanium dioxide nanotube arrays fabricated by anodization of titanium foil and annealed at different temperatures were studied using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and positron annihilation spectroscopy (PAS). The crystallization process and morphological changes of the nanotubes have been discussed. It was found that anatase (1 0 1) only appeared on the walls of the nanotubes. The atomic concentration of fluoride and the ratio of Ti/O decreased when the annealing temperature increased. Vacancy type defects were found to diffuse toward the surface when the samples were annealed at 200 °C and 400 °C and healing of vacancies occurred at 600 °C. In addition, fluoride may form some complexes with vacancies on the surface hence lowering the value of S parameter. © 2011 Elsevier B.V. All rights reserved. | ||||
| ISSN | 0254-0584 2011 Impact Factor: 2.234 2011 SCImago Journal Rankings: 0.146 | ||||
| DOI | http://dx.doi.org/10.1016/j.matchemphys.2011.08.063 | ||||
| ISI Accession Number ID | WOS:000296830500062
Funding Information: The work described in this paper is supported by the GRF grant from the Research Grant Council of the Hong Kong Special Administrative Region, China (under project no. HKU7021/10P). | ||||
| References | References in Scopus |
| dc.contributor.author | Yang, B | ||||
|---|---|---|---|---|---|
| dc.contributor.author | Ng, CK | ||||
| dc.contributor.author | Fung, MK | ||||
| dc.contributor.author | Ling, CC | ||||
| dc.contributor.author | Djurišić, AB | ||||
| dc.contributor.author | Fung, S | ||||
| dc.date.accessioned | 2011-11-24T10:04:42Z | ||||
| dc.date.available | 2011-11-24T10:04:42Z | ||||
| dc.date.issued | 2011 | ||||
| dc.description.abstract | Titanium dioxide nanotube arrays fabricated by anodization of titanium foil and annealed at different temperatures were studied using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and positron annihilation spectroscopy (PAS). The crystallization process and morphological changes of the nanotubes have been discussed. It was found that anatase (1 0 1) only appeared on the walls of the nanotubes. The atomic concentration of fluoride and the ratio of Ti/O decreased when the annealing temperature increased. Vacancy type defects were found to diffuse toward the surface when the samples were annealed at 200 °C and 400 °C and healing of vacancies occurred at 600 °C. In addition, fluoride may form some complexes with vacancies on the surface hence lowering the value of S parameter. © 2011 Elsevier B.V. All rights reserved. | ||||
| dc.description.nature | Link_to_subscribed_fulltext | ||||
| dc.identifier.citation | Materials Chemistry And Physics, 2011, v. 130 n. 3, p. 1227-1231 [How to Cite?] DOI: http://dx.doi.org/10.1016/j.matchemphys.2011.08.063 | ||||
| dc.identifier.citeulike | 9841257 | ||||
| dc.identifier.doi | http://dx.doi.org/10.1016/j.matchemphys.2011.08.063 | ||||
| dc.identifier.epage | 1231 | ||||
| dc.identifier.hkuros | 197739 | ||||
| dc.identifier.isi | WOS:000296830500062
Funding Information: The work described in this paper is supported by the GRF grant from the Research Grant Council of the Hong Kong Special Administrative Region, China (under project no. HKU7021/10P). | ||||
| dc.identifier.issn | 0254-0584 2011 Impact Factor: 2.234 2011 SCImago Journal Rankings: 0.146 | ||||
| dc.identifier.issue | 3 | ||||
| dc.identifier.scopus | eid_2-s2.0-80054030649 | ||||
| dc.identifier.spage | 1227 | ||||
| dc.identifier.uri | http://hdl.handle.net/10722/143381 | ||||
| dc.identifier.volume | 130 | ||||
| dc.language | eng | ||||
| dc.publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/matchemphys | ||||
| dc.publisher.place | Switzerland | ||||
| dc.relation.ispartof | Materials Chemistry and Physics | ||||
| dc.relation.references | References in Scopus | ||||
| dc.subject | Annealing | ||||
| dc.subject | Defects | ||||
| dc.subject | Nanostructures | ||||
| dc.subject | Positron annihilation spectroscopy | ||||
| dc.title | Annealing study of titanium oxide nanotube arrays | ||||
| dc.type | Article |
Author Affiliations
- The University of Hong Kong