| SOPOUŠEK, Jiří, Dáša DRENČAKOVÁ, Pavel BROŽ, Jiří BURŠÍK, Adéla ZEMANOVÁ a Pavla ROUPCOVÁ. On thermal stability of nanocrystalline Ag–Cu-S powders. Journal of Nanoparticle Research. Springer, roč. 23, č. 7, s. "138", 14 s. ISSN 1388-0764. doi:10.1007/s11051-021-05244-y. 2021. |
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@article{1817087,
author = {Sopoušek, Jiří and Drenčaková, Dáša and Brož, Pavel and Buršík, Jiří and Zemanová, Adéla and Roupcová, Pavla},
article_number = {7},
doi = {http://dx.doi.org/10.1007/s11051-021-05244-y},
keywords = {Nanoparticles; Thermoelectrics; DSC; In situ XRPD; Stromayerite; Silver wires},
language = {eng},
issn = {1388-0764},
journal = {Journal of Nanoparticle Research},
title = {On thermal stability of nanocrystalline Ag–Cu-S powders},
url = {https://link.springer.com/article/10.1007%2Fs11051-021-05244-y},
volume = {23},
year = {2021}
}
TY - JOUR
ID - 1817087
AU - Sopoušek, Jiří - Drenčaková, Dáša - Brož, Pavel - Buršík, Jiří - Zemanová, Adéla - Roupcová, Pavla
PY - 2021
TI - On thermal stability of nanocrystalline Ag–Cu-S powders
JF - Journal of Nanoparticle Research
VL - 23
IS - 7
SP - "138"
EP - "138"
PB - Springer
SN - 13880764
KW - Nanoparticles
KW - Thermoelectrics
KW - DSC
KW - In situ XRPD
KW - Stromayerite
KW - Silver wires
UR - https://link.springer.com/article/10.1007%2Fs11051-021-05244-y
N2 - The nanocrystalline semiconducting compounds based on the AgCuS system are considered as low-cost candidates of thermoelectric materials with improved thermal stability. The nanocrystalline Ag–Cu—S powders were prepared from metal nitrates and sulphur powder in tetraethylene glycol (TEG) solvent by reductive agent NaBH4. The crystallite sizes of the observed phases were in the range between 60 and 80 nm. The chemical compositions of the as-received samples were analysed by the ICP-AES method and their phase compositions were evaluated by XRPD. The investigation was supplemented by DSC and in situ HTXRD thermal analysis. A more detailed in situ experiment was performed for a sample containing ternary phases. The nucleation and growth of silver micro-wires were first observed on the substrate involving ternary phases at isothermal heat treatment. The formation of silver wires and semi-conductive ternary thermoelectric phase (stromayerite τ3) is explained by observed phase transformation. The obtained results are complemented by microscopy (LM, SEM, TEM).
ER -
SOPOUŠEK, Jiří, Dáša DRENČAKOVÁ, Pavel BROŽ, Jiří BURŠÍK, Adéla ZEMANOVÁ a Pavla ROUPCOVÁ. On thermal stability of nanocrystalline Ag–Cu-S powders. \textit{Journal of Nanoparticle Research}. Springer, roč.~23, č.~7, s.~''138'', 14 s. ISSN~1388-0764. doi:10.1007/s11051-021-05244-y. 2021.
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