Determination of the thermodynamic properties of the Ag2CdSn3S8 and Ag2CdSnS4 phases in the Ag–Cd–Sn–S system by the solid-state electrochemical cell method

Mykola Moroz, Fiseha Tesfaye, Pavlo Demchenko, Myroslava Prokhorenko, Daniel Lindberg, Oleksandr Reshetnyak, Leena Hupa

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Triangulation of the quaternary Ag–Cd–Sn–S system in the Ag2SnS3–SnS–Sn2S3–CdSpart below T = 600 K wasperformed using X-ray diffraction method. The spatial position of the determined four-phase regions regarding the figurative point of silver was used to write forming chemical reactions. Theforming reactions were performed by applying electrochemical cells (ECCs):(–) C | Ag | Ag2GeS3 glass | Ag2CdSn3S8,SnS, Sn2S3, CdS | C (+)and (–) C | Ag | Ag2GeS3 glass | Ag2CdSnS4, SnS, Ag2CdSn3S8,CdS | C (+), where C is graphite andAg2GeS3 glass is the fast purely Ag+ ionsconducting electrolyte. The linear dependencies of the EMF of the ECCs ontemperature in the range T = (462–500) Kwere used to calculate the standard thermodynamic values of the Ag2CdSn3S8 and Ag2CdSnS4phases for the first time.

Original languageUndefined/Unknown
Pages (from-to)255–262
JournalJournal of Chemical Thermodynamics
Publication statusPublished - 2018
MoE publication typeA1 Journal article-refereed


  • Thermodynamics
  • Semiconductor

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