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Creating textured surfaces using plasma electrolysis

Published online by Cambridge University Press:  13 December 2013

Zhiling Zhang
Affiliation:
Department of Electrical Engineering and Computer Science, South Dakota State University, Brookings, South Dakota 57007
Mukul Dubey
Affiliation:
Department of Electrical Engineering and Computer Science, South Dakota State University, Brookings, South Dakota 57007
David Galipeau
Affiliation:
Department of Electrical Engineering and Computer Science, South Dakota State University, Brookings, South Dakota 57007
Qi Hua Fan*
Affiliation:
Department of Electrical Engineering and Computer Science, South Dakota State University, Brookings, South Dakota 57007
James D. Hoefelmeyer
Affiliation:
Department of Chemistry, University of South Dakota, Vermillion, South Dakota 57069
Ilham Y. Al-Qaradawi
Affiliation:
Physics Department, Qatar University, P. O. Box 2713, Doha, Qatar
*
Address all correspondence to Qi Hua Fan at[email protected]
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Abstract

Plasma electrolysis (PE) is a combination of electrolysis and plasma discharge. Previous studies indicated that PE usually created porous surface with irregular morphology as a result of the plasma–cathode interaction that was dominated by physical reactions. This paper demonstrated that highly ordered textured silicon surfaces could be created using PE. This abnormal anisotropic etching phenomenon implied that the chemical reactions were decoupled from the physical processes and the physical reactions were suppressed. Raman spectra confirmed that the textured silicon surface created by PE conserved the crystalline structure. Therefore, PE may lead to new process regimes for surface engineering.

Type
Research Letters
Copyright
Copyright © Materials Research Society 2013 

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