Study of surface effects and catalytic properties of selected Ni-based bimetallic nanoparticles by Knudsen effusion mass spectrometry

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Authors

BROŽ Pavel OUTLÁ Martina VYKOUKAL Vít ZELENKA František SOPOUŠEK Jiří BURŠÍK Jiří ZOBAČ Ondřej

Year of publication 2019
Type Article in Periodical
Magazine / Source CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY
MU Faculty or unit

Faculty of Science

Citation
Web Ni bimetallic NPs
Doi http://dx.doi.org/10.1016/j.calphad.2019.01.013
Keywords bimetallic nanoparticles; Cu-Ni; Ag-Ni; Au-Ni; catalysis
Attached files
Description The work is focused on study of surface effects on CuNi, AgNi and AuNi nanoparticles, prepared by solvothermal synthesis in nature of oleylamine, and their catalytic properties. Complex surface processes were discovered, including desorption and evaporation of the organic protective layer, its gradual oxidation through various oxidation states to carbon dioxide as the final oxidation product and organometallic compound(s) formation resulting to metal deposition.
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