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An aqueous, alkaline route to titanate nanotubes under atmospheric pressure conditions

An aqueous, alkaline route to titanate nanotubes under atmospheric pressure conditions
An aqueous, alkaline route to titanate nanotubes under atmospheric pressure conditions
A significant reduction in the temperature for alkaline synthesis of titanate nanotubes is reported. Nanotubular titanates have been synthesized from TiO2 at 100 ?C in a mixture of concentrated, aqueous solutions of KOH and NaOH. After 48 h of refluxing, essentially complete conversion was achieved. For a given temperature, the composition of KOH and NaOH in the binary mixture was chosen to achieve a particular concentration of Ti(IV), which favoured the formation of nanotubes. The morphology, surface area and crystal structure of the titanate nanotubes produced were similar to those produced in a solution of pure NaOH at a higher temperature (?140 ?C).
0957-4484
275604-275609
Bavykin, D.V.
1e9fabfc-d078-4585-876f-85ff33b7eed5
Cressey, B.A.
55c72b25-9179-4338-ac8f-c71f7613d44e
Light, M.E.
cf57314e-6856-491b-a8d2-2dffc452e161
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Bavykin, D.V.
1e9fabfc-d078-4585-876f-85ff33b7eed5
Cressey, B.A.
55c72b25-9179-4338-ac8f-c71f7613d44e
Light, M.E.
cf57314e-6856-491b-a8d2-2dffc452e161
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2

Bavykin, D.V., Cressey, B.A., Light, M.E. and Walsh, F.C. (2008) An aqueous, alkaline route to titanate nanotubes under atmospheric pressure conditions. Nanotechnology, 19 (27), 275604-275609. (doi:10.1088/0957-4484/19/27/275604).

Record type: Article

Abstract

A significant reduction in the temperature for alkaline synthesis of titanate nanotubes is reported. Nanotubular titanates have been synthesized from TiO2 at 100 ?C in a mixture of concentrated, aqueous solutions of KOH and NaOH. After 48 h of refluxing, essentially complete conversion was achieved. For a given temperature, the composition of KOH and NaOH in the binary mixture was chosen to achieve a particular concentration of Ti(IV), which favoured the formation of nanotubes. The morphology, surface area and crystal structure of the titanate nanotubes produced were similar to those produced in a solution of pure NaOH at a higher temperature (?140 ?C).

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Published date: 2008
Organisations: Engineering Mats & Surface Engineerg Gp, Chemistry

Identifiers

Local EPrints ID: 51308
URI: http://eprints.soton.ac.uk/id/eprint/51308
ISSN: 0957-4484
PURE UUID: 7b24c10f-3789-4a81-b80d-01ffedf2ccd7
ORCID for M.E. Light: ORCID iD orcid.org/0000-0002-0585-0843

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Date deposited: 28 May 2008
Last modified: 16 Mar 2024 03:04

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Contributors

Author: D.V. Bavykin
Author: B.A. Cressey
Author: M.E. Light ORCID iD
Author: F.C. Walsh

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