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Reaction pathway to CZTSe formation in CdI2

Part 2: Chemical reactions and enthalpies in mixtures of CdI2–CuSe–SnSe and CdI2–CuSe–SnSe–ZnSe

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Abstract

The chemical reactions between CuSe, SnSe and ZnSe and their enthalpies in molten CdI2 in closed vacuum ampoules were investigated. Differential thermal analysis (DTA) was used for the determination of the temperatures of processes occurring in the studied mixtures. X-ray diffraction and Raman spectroscopy were performed to discover the phase changes in the long-term annealed samples at higher than peak temperatures in DTA. The occurring chemical reactions and their enthalpies were derived. The recrystallization of CZTSe in CdI2 was investigated. The results confirmed the formation of Cu2SnSe3, Cu2SnSe4, CdSe, Cu2CdSnSe4, Cu2ZnSnSe4, and Zn1−xCdxSe compounds and solid solutions.

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Acknowledgements

We sincerely appreciate the experimental support with the apparatus provided for XRD and DTA measurements by the heads of the Department of Mechanical and Industrial Engineering and Laboratory of Inorganic Materials. We acknowledge the following projects for their financial support: TAR16016 “Advanced materials and high-technology devices for sustainable energetics, sensorics and nanoelectronics”; IUT19-28 “New materials and technologies for solar energetics”.

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Authors and Affiliations

  1. Department of Materials and Environmental Technology, Tallinn University of Technology, Ehitajate tee 5, 19086, Tallinn, Estonia

    Inga Leinemann, Maris Pilvet, Tiit Kaljuvee, Rainer Traksmaa & Mare Altosaar

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  1. Inga Leinemann
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  2. Maris Pilvet
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  3. Tiit Kaljuvee
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  4. Rainer Traksmaa
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  5. Mare Altosaar
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Correspondence to Inga Leinemann.

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Leinemann, I., Pilvet, M., Kaljuvee, T. et al. Reaction pathway to CZTSe formation in CdI2. J Therm Anal Calorim 134, 433–441 (2018). https://doi.org/10.1007/s10973-018-7415-4

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  • DOI: https://doi.org/10.1007/s10973-018-7415-4

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