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The Effect of Substrate Wettability on Hydrazine-Processed CZTS Thin Films

Published online by Cambridge University Press:  27 February 2014

Zhaoning Song ,
Adam B. Phillips ,
Yao Xie ,
Rajendra R. Khanal ,
Jon M. Stone  and
Michael J. Heben
Zhaoning Song
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, Ohio 43606, U.S.A.
Adam B. Phillips
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, Ohio 43606, U.S.A.
Yao Xie
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, Ohio 43606, U.S.A.
Rajendra R. Khanal
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, Ohio 43606, U.S.A.
Jon M. Stone
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, Ohio 43606, U.S.A.
Michael J. Heben
Affiliation:
Wright Center for Photovoltaics Innovation and Commercialization, School for Solar and Advanced Renewable Energy, Department of Physics and Astronomy, The University of Toledo, Toledo, Ohio 43606, U.S.A.
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Abstract

We report a study on the wetting and spreading of hydrazine-CZTS solution on a series of solid surfaces. The work of adhesion between a hydrazine solution and soda-lime glass, Si, graphite, ITO, SnO2, ZnO, CdS, In2S3, Cu, Au, Ag, Al, Ni, Mo, and carbon single-walled nanotubes was calculated using observed contact angles and the areas of the interface. The surface roughness of drop-casted CZTS precursor films was lower on surfaces with better hydrazine wettability. This suggests that the surface roughness of solution-processed films can be controlled by altering the wetting behavior of the solution on the substrate.

Keywords

adhesionphotovoltaicmorphology

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Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1648: Symposium HH – Functional Surfaces/Interfaces for Controlling Wetting and Adhesion , 2014 , mrsf13-1648-hh03-03
Copyright
Copyright © Materials Research Society 2014 

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References

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