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, 2021, roč. 23, č. 7, s. "138", 14 s. ISSN 1388-0764. Dostupné z: https://dx.doi.org/10.1007/s11051-021-05244-y. |
Další formáty:
BibTeX
LaTeX
RIS
@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, 2021, roč.~23, č.~7, s.~''138'', 14 s. ISSN~1388-0764. Dostupné z: https://dx.doi.org/10.1007/s11051-021-05244-y.
|