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Synthesis of Cu2(ZnCd)SnS4 Absorber Material for Monograin Membrane Applications

Published online by Cambridge University Press:  25 February 2014

Godswill Nkwusi ,
Inga Leinemann ,
Jaan Raudoja ,
Valdek Mikli ,
Marit Kauk-Kuusik ,
Mare Altosaar  and
Enn Mellikov
Godswill Nkwusi
Affiliation:
Department of Materials Science, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
Inga Leinemann
Affiliation:
Department of Materials Science, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
Jaan Raudoja
Affiliation:
Department of Materials Science, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
Valdek Mikli
Affiliation:
Department of Materials Science, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
Marit Kauk-Kuusik
Affiliation:
Department of Materials Science, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
Mare Altosaar
Affiliation:
Department of Materials Science, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
Enn Mellikov
Affiliation:
Department of Materials Science, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
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Abstract

CZTS monograin powder samples were synthesized in CdI2 as flux material. The obtained materials were analysed by EDX, SEM, and Raman methods. It was found that Cd from flux was incorporated into the formed compound leading to the formation of solid solution Cu2Zn1-xCdxSnS4. The content of Cd in the compound was studied in the dependence of synthesis temperature and time. It was found that Cd content in the formed Cu2Zn1-xCdxSnS4 did not depend on synthesis duration at constant temperature and increased with temperature. The activation energy of the Cd incorporation process was estimated as 17.5 ± 2 kJ/mol.

Keywords

crystal growthflux growthpowder processing

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Type
Articles
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MRS Online Proceedings Library (OPL) , Volume 1638: Symposium W – Next-Generation Inorganic Thin-Film Photovoltaics , 2014 , mrsf13-1638-w09-24
Copyright
Copyright © Materials Research Society 2014 

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References

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