Insertion of nanostructured titanates into the pores of an anodised TiO2 nanotube array by mechanically stimulated electrophoretic deposition
Insertion of nanostructured titanates into the pores of an anodised TiO2 nanotube array by mechanically stimulated electrophoretic deposition
TiO2 nanotube (TiO2NT) surfaces can achieve a high area surface and enhanced electrocatalytic properties. One of the key challenges is the insertion of nanostructured titanates deeply into the pores of TiO2NT. We describe the electrophoretic deposition (EPD) of two different titanates - nanosheets (TiNSs) and nanotubes (TiNTs) into the pores of TiO2NT to produce controlled hierarchical surfaces. A sufficiently high applied cell potential and mechanical stimulation of the surface are important to incorporate TiNSs and TiNTs inside the pores of TiO2NTs. The electrodes show improved hydrophobicity after deposition of titanates. The beneficial effect of a counter electrode equipped with a brush to avoid the accumulation of a thick outer layer on TiO2NTs is highlighted.
3955-3961
Martins, Alysson S.
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Harito, Christian
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Bavykin, Dmitry V.
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Walsh, Frank C.
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Lanza, Marcos R.V.
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28 April 2017
Martins, Alysson S.
0ae75b82-30fb-4190-a24d-0ee38d075178
Harito, Christian
d146fa4e-fa33-40fc-b4b2-f4a77e0e75e6
Bavykin, Dmitry V.
1e9fabfc-d078-4585-876f-85ff33b7eed5
Walsh, Frank C.
309528e7-062e-439b-af40-9309bc91efb2
Lanza, Marcos R.V.
eaf482d2-b6c3-4c9f-9187-c2aa821a4533
Martins, Alysson S., Harito, Christian, Bavykin, Dmitry V., Walsh, Frank C. and Lanza, Marcos R.V.
(2017)
Insertion of nanostructured titanates into the pores of an anodised TiO2 nanotube array by mechanically stimulated electrophoretic deposition.
Journal of Materials Chemistry C, 5 (16), .
(doi:10.1039/C7TC00575J).
Abstract
TiO2 nanotube (TiO2NT) surfaces can achieve a high area surface and enhanced electrocatalytic properties. One of the key challenges is the insertion of nanostructured titanates deeply into the pores of TiO2NT. We describe the electrophoretic deposition (EPD) of two different titanates - nanosheets (TiNSs) and nanotubes (TiNTs) into the pores of TiO2NT to produce controlled hierarchical surfaces. A sufficiently high applied cell potential and mechanical stimulation of the surface are important to incorporate TiNSs and TiNTs inside the pores of TiO2NTs. The electrodes show improved hydrophobicity after deposition of titanates. The beneficial effect of a counter electrode equipped with a brush to avoid the accumulation of a thick outer layer on TiO2NTs is highlighted.
Text
Harito Manuscript
- Accepted Manuscript
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Accepted/In Press date: 20 March 2017
e-pub ahead of print date: 21 March 2017
Published date: 28 April 2017
Organisations:
Energy Technology Group
Identifiers
Local EPrints ID: 412013
URI: http://eprints.soton.ac.uk/id/eprint/412013
ISSN: 2050-7526
PURE UUID: 27000e0b-9620-4727-8802-6e8a30b45d4d
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Date deposited: 04 Jul 2017 16:31
Last modified: 16 Mar 2024 05:22
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Contributors
Author:
Alysson S. Martins
Author:
Christian Harito
Author:
Marcos R.V. Lanza
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