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Sol–gel preparation of well-adhered films and long range ordered inverse opal films of BaTiO3 and Bi2Ti2O7

Sol–gel preparation of well-adhered films and long range ordered inverse opal films of BaTiO3 and Bi2Ti2O7
Sol–gel preparation of well-adhered films and long range ordered inverse opal films of BaTiO3 and Bi2Ti2O7
Barium and bismuth titanate thin films and well-ordered inverse opal films are produced by dip coating from sols containing titanium alkoxides with acetic acid, acetylacetone, methoxyethanol and water. The inverse opal preparations used crosslinked polystyrene opal templates. Heat treatment in air produced tetragonal BaTiO3 or mixtures of the hexagonal and tetragonal phases, or phase pure Bi2Ti2O7. Good quality films were obtained with a thickness of 5 ?m from a single dipping, and the thickness could be increased by dipping multiple times. Inverse opals were well ordered and exhibited opalescence and photonic stop band effects.
ceramics, oxides, thinfilms, sol-gel chemistry, microstructure
0025-5408
234-240
Al-Arjan, W.
46e5a55e-c0b2-4509-ab95-4f97f5c0c5c0
Algaradah, M.
bdd4b1da-27e1-433b-a3aa-a59d0f9c4fbc
Brewer, J.
e50c436e-4b05-4201-a319-b893ee0a457b
Hector, A.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Al-Arjan, W.
46e5a55e-c0b2-4509-ab95-4f97f5c0c5c0
Algaradah, M.
bdd4b1da-27e1-433b-a3aa-a59d0f9c4fbc
Brewer, J.
e50c436e-4b05-4201-a319-b893ee0a457b
Hector, A.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5

Al-Arjan, W., Algaradah, M., Brewer, J. and Hector, A. (2016) Sol–gel preparation of well-adhered films and long range ordered inverse opal films of BaTiO3 and Bi2Ti2O7. Materials Research Bulletin, 74, 234-240. (doi:10.1016/j.materresbull.2015.10.038).

Record type: Article

Abstract

Barium and bismuth titanate thin films and well-ordered inverse opal films are produced by dip coating from sols containing titanium alkoxides with acetic acid, acetylacetone, methoxyethanol and water. The inverse opal preparations used crosslinked polystyrene opal templates. Heat treatment in air produced tetragonal BaTiO3 or mixtures of the hexagonal and tetragonal phases, or phase pure Bi2Ti2O7. Good quality films were obtained with a thickness of 5 ?m from a single dipping, and the thickness could be increased by dipping multiple times. Inverse opals were well ordered and exhibited opalescence and photonic stop band effects.

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Accepted/In Press date: 19 October 2015
e-pub ahead of print date: 28 October 2015
Published date: February 2016
Keywords: ceramics, oxides, thinfilms, sol-gel chemistry, microstructure
Organisations: Chemistry

Identifiers

Local EPrints ID: 386049
URI: https://eprints.soton.ac.uk/id/eprint/386049
ISSN: 0025-5408
PURE UUID: a66632de-3fc9-4346-87eb-a4eb6891cbce
ORCID for A. Hector: ORCID iD orcid.org/0000-0002-9964-2163

Catalogue record

Date deposited: 27 Jan 2016 15:25
Last modified: 20 Jul 2019 01:16

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