Rocking disc electro-deposition of copper films on Mo/MoSe2 substrates

Cummings, Charles, Frith, Paul, Zoppi, Guillaume, Forbes, Ian, Rogers, Keith, Lane, David and Marken, Frank (2011) Rocking disc electro-deposition of copper films on Mo/MoSe2 substrates. Thin Solid Films, 519 (21). pp. 7458-7463. ISSN 0040-6090

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Official URL: http://dx.doi.org/10.1016/j.tsf.2010.12.107

Abstract

A novel electro-deposition method based on a rocking disc system with π/3 amplitude and variable frequency is introduced. Uniform copper films were deposited from a 0.1 M CuSO4/3.0 M NaOH/0.2 M sorbitol bath directly onto 12.1 cm2 Mo/MoSe2 substrates with X-ray diffraction showing a thickness variation of ±5% over this area. Investigation of the mass transport conditions suggests (i) uniform diffusion over the sample, (ii) a rate of mass transport proportional to the square root of the rocking rate, and (iii) turbulent conditions, which are able to dislodge gas bubbles during electro-deposition.

Item Type: Article
Additional Information: Proceedings of the EMRS 2010 Spring Meeting Symposium M: Thin Film Chalcogenide Photovoltaic Materials.
Subjects: H600 Electronic and Electrical Engineering
H900 Others in Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Sarah Howells
Date Deposited: 24 Sep 2012 14:48
Last Modified: 13 Oct 2015 12:51
URI: http://nrl.northumbria.ac.uk/id/eprint/9163

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