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Title:Synthesis of complex concentrated nanoparticles by Ultrasonic Spray Pyrolysis and lyophilisation
Authors:ID Simić, Lidija (Author)
ID Stopić, Srečko (Author)
ID Friedrich, Bernd (Author)
ID Zadravec, Matej (Author)
ID Jelen, Žiga (Author)
ID Bobovnik, Rajko (Author)
ID Anžel, Ivan (Author)
ID Rudolf, Rebeka (Author)
Files:.pdf metals-12-01802-v2.pdf (9,27 MB)
MD5: 868CDB9FF4BB6A7520DB6D1D4DC079EC
 
URL https://www.mdpi.com/2075-4701/12/11/1802
 
Language:English
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The development of new multicomponent nanoparticles is gaining increasing importance due to their specific functional properties, i.e., synthesised new complex concentrated nanoparticles (CCNPs) in the form of powder using ultrasonic spray pyrolysis (USP) and lyophilisation from the initial cast Ag20Pd20Pt20Cu20Ni20 alloy, which was in the function of the material after its catalytic abilities had been exhausted. Hydrometallurgical treatment was used to dissolve the cast alloy, from which the USP precursor was prepared. As a consequence of the incomplete dissolution of the cast alloy and the formation of Pt and Ni complexes, it was found that the complete recycling of the alloy is not possible. A microstructural examination of the synthesised CCNPs showed that round and mostly spherical (not 100%) nanoparticles were formed, with an average diameter of 200 nm. Research has shown that CCNPs belong to the group with medium entropy characteristics. A mechanism for the formation of CCNPs is proposed, based on the thermochemical analysis of element reduction with the help of H2 and based on the mixing enthalpy of binary systems.
Keywords:complex concentrated nanoparticles, ultrasonic spray pyrolysis, lyophilisation, characterization, formation mechanism
Publication status:Published
Publication version:Version of Record
Submitted for review:01.09.2022
Article acceptance date:20.10.2022
Publication date:24.10.2022
Publisher:MDPI AG
Year of publishing:2022
Number of pages:Str. 1-16
Numbering:Vol. 12, iss. 11 (1802)
PID:20.500.12556/DKUM-92238 New window
UDC:669.21:620.3
ISSN on article:2075-4701
COBISS.SI-ID:127093763 New window
DOI:10.3390/met12111802 New window
Copyright:© 2022 by the authors
Publication date in DKUM:24.03.2025
Views:0
Downloads:0
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
SIMIĆ, Lidija, STOPIĆ, Srečko, FRIEDRICH, Bernd, ZADRAVEC, Matej, JELEN, Žiga, BOBOVNIK, Rajko, ANŽEL, Ivan and RUDOLF, Rebeka, 2022, Synthesis of complex concentrated nanoparticles by Ultrasonic Spray Pyrolysis and lyophilisation. Metals [online]. 2022. Vol. 12, no. 11 (1802), p. 1–16. [Accessed 7 April 2025]. DOI 10.3390/met12111802. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=92238
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Record is a part of a journal

Title:Metals
Shortened title:Metals
Publisher:MDPI AG
ISSN:2075-4701
COBISS.SI-ID:15976214 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0120-2022
Name:Tehnologije metastabilnih materialov
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:I0-0029-2022
Name:Infrastrukturna dejavnost Univerze v Mariboru
Funder:Other - Other funder or multiple funders
Name:DAAD project

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:kompleksni koncentrirani nanodelci, ultrazvočna razpršilna piroliza, liofilizacija, karakterizacija, mehanizmi nastanka


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