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Mesoporous nickel/nickel oxide-a nanoarchitectured electrode

Mesoporous nickel/nickel oxide-a nanoarchitectured electrode
Mesoporous nickel/nickel oxide-a nanoarchitectured electrode
Metallic nickel was electrodeposited from aqueous nickel(II) acetate dissolved in the lyotropic liquid crystalline phases of Brij 56 and Brij 78 surfactant templates to form metal films with hexagonal arrays of nanometer-sized channels. The applicability of these materials as inexpensive, large area and low-resistance current collectors was demonstrated by cyclic voltammetry. The redox charge capacity of the surface oxide in aqueous KOH was enhanced by 2 orders of magnitude over that of a nontemplated sample with no detectable impedance of the reaction rate.
liquid-crystalline phases, molecular-sieves, nickel, films, oxidation, behavior
0897-4756
524-529
Nelson, Phillip A.
8244fe4a-6b5d-4587-ae48-acd93ab291c9
Elliott, Joanne M.
68967f54-82e0-4d8e-bc09-dc4522d18b2c
Attard, George S.
3219075d-2364-4f00-aeb9-1d90f8cd0d36
Owen, John R.
067986ea-f3f3-4a83-bc87-7387cc5ac85d
Nelson, Phillip A.
8244fe4a-6b5d-4587-ae48-acd93ab291c9
Elliott, Joanne M.
68967f54-82e0-4d8e-bc09-dc4522d18b2c
Attard, George S.
3219075d-2364-4f00-aeb9-1d90f8cd0d36
Owen, John R.
067986ea-f3f3-4a83-bc87-7387cc5ac85d

Nelson, Phillip A., Elliott, Joanne M., Attard, George S. and Owen, John R. (2002) Mesoporous nickel/nickel oxide-a nanoarchitectured electrode. Chemistry of Materials, 14 (2), 524-529. (doi:10.1021/cm011021a).

Record type: Article

Abstract

Metallic nickel was electrodeposited from aqueous nickel(II) acetate dissolved in the lyotropic liquid crystalline phases of Brij 56 and Brij 78 surfactant templates to form metal films with hexagonal arrays of nanometer-sized channels. The applicability of these materials as inexpensive, large area and low-resistance current collectors was demonstrated by cyclic voltammetry. The redox charge capacity of the surface oxide in aqueous KOH was enhanced by 2 orders of magnitude over that of a nontemplated sample with no detectable impedance of the reaction rate.

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Published date: 2002
Keywords: liquid-crystalline phases, molecular-sieves, nickel, films, oxidation, behavior
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Identifiers

Local EPrints ID: 19827
URI: http://eprints.soton.ac.uk/id/eprint/19827
DOI: doi:10.1021/cm011021a
ISSN: 0897-4756
PURE UUID: 5bcd3725-7022-4c81-a7d8-e04a7467894b
ORCID for George S. Attard: ORCID iD orcid.org/0000-0001-8304-0742
ORCID for John R. Owen: ORCID iD orcid.org/0000-0002-4938-3693

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Date deposited: 21 Feb 2006
Last modified: 16 Mar 2024 02:44

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Contributors

Author: Phillip A. Nelson
Author: Joanne M. Elliott
Author: George S. Attard ORCID iD
Author: John R. Owen ORCID iD

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