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

A1 Journal article (refereed)


Internal Authors/Editors


Publication Details

List of Authors: Mykola Moroz, Fiseha Tesfaye, Pavlo Demchenko, Myroslava Prokhorenko, Daniel Lindberg, Oleksandr Reshetnyak, Leena Hupa
Publisher: Elsevier Ltd.
Place: United Kingdom
Publication year: 2018
Journal: Journal of Chemical Thermodynamics
Volume number: 118
Start page: 255
End page: 262
eISSN: 1096-3626


Abstract

Triangulation of the quaternary Ag–Cd–Sn–S system in the Ag2SnS3–SnS–Sn2S3–CdS
part below T = 600 K was
performed 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. The
forming 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 and
Ag2GeS3 glass is the fast purely Ag+ ions
conducting electrolyte. The linear dependencies of the EMF of the ECCs on
temperature in the range T = (462–500) K
were used to calculate the standard thermodynamic values of the Ag2CdSn3S8 and Ag2CdSnS4
phases for the first time.


Keywords

Semiconductor, Thermodynamics

Last updated on 2019-08-12 at 03:34