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Zinc oxide thin films grown by aerosol assisted CVD

Zinc oxide thin films grown by aerosol assisted CVD
Zinc oxide thin films grown by aerosol assisted CVD
Zinc oxide (ZnO) thin films are deposited at 400-650 degrees C onto glass substrates by aerosol assisted (AA)CVD of a zinc acetate [Zn(C2H3O2)(2)] solution in methanol. The thin films show high transparency over the visible and infrared regions (80-95%) and a 001 (c-axis) preferred orientation. The surface morphology and crystallographic orientation are dependent on the substrate temperature. The photocatalytic activity of the films is determined using the destruction of stearic acid (SA) by UV irradiation. The rate is monitored via infrared spectroscopy (IRS) and shows appreciable activity, close to that seen for anatase titania, in the films deposited at 650 degrees C. Water droplet contact angles on both ambient and UV-irradiated ZnO surfaces are determined, and there is seen to be an increase in photoinduced hydrophillicity for all films, with a reduction in contact angle of around 50 degrees.
aerosol, film, orientation, photocatalyst, zinc
0948-1907
366-372
Waugh, Mathew R.
75d286b9-8ffe-45d0-a05a-ce5f6eb46ff4
Hyett, Geoffrey
4f292fc9-2198-4b18-99b9-3c74e7dfed8d
Parkin, Ivan P.
7f95b9c4-1f9d-441c-8d43-ac8ea2554b85
Waugh, Mathew R.
75d286b9-8ffe-45d0-a05a-ce5f6eb46ff4
Hyett, Geoffrey
4f292fc9-2198-4b18-99b9-3c74e7dfed8d
Parkin, Ivan P.
7f95b9c4-1f9d-441c-8d43-ac8ea2554b85

Waugh, Mathew R., Hyett, Geoffrey and Parkin, Ivan P. (2008) Zinc oxide thin films grown by aerosol assisted CVD. Chemical Vapor Deposition, 14 (11-12), 366-372. (doi:10.1002/cvde.200806718).

Record type: Article

Abstract

Zinc oxide (ZnO) thin films are deposited at 400-650 degrees C onto glass substrates by aerosol assisted (AA)CVD of a zinc acetate [Zn(C2H3O2)(2)] solution in methanol. The thin films show high transparency over the visible and infrared regions (80-95%) and a 001 (c-axis) preferred orientation. The surface morphology and crystallographic orientation are dependent on the substrate temperature. The photocatalytic activity of the films is determined using the destruction of stearic acid (SA) by UV irradiation. The rate is monitored via infrared spectroscopy (IRS) and shows appreciable activity, close to that seen for anatase titania, in the films deposited at 650 degrees C. Water droplet contact angles on both ambient and UV-irradiated ZnO surfaces are determined, and there is seen to be an increase in photoinduced hydrophillicity for all films, with a reduction in contact angle of around 50 degrees.

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More information

Published date: November 2008
Keywords: aerosol, film, orientation, photocatalyst, zinc
Organisations: Organic Chemistry: Synthesis, Catalysis and Flow

Identifiers

Local EPrints ID: 346973
URI: http://eprints.soton.ac.uk/id/eprint/346973
ISSN: 0948-1907
PURE UUID: 2c89a6b2-4779-4a2c-9478-e522ee3d6937
ORCID for Geoffrey Hyett: ORCID iD orcid.org/0000-0001-9302-9723

Catalogue record

Date deposited: 17 Jan 2013 11:13
Last modified: 15 Mar 2024 03:45

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Contributors

Author: Mathew R. Waugh
Author: Geoffrey Hyett ORCID iD
Author: Ivan P. Parkin

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