The nature of nanoparticles formed in the system PdCl2-elemental phosphorus

The state of palladium in nanoparticles formed in the system PdCl 2 — elemental phosphorus in an inert atmosphere was identified using X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS). Palladium phosphides of different composit...

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Bibliographic Details
Published inRussian journal of general chemistry Vol. 83; no. 6; pp. 1021 - 1028
Main Authors Skripov, N. I., Stepanova, T. P., Belykh, L. B., Schmidt, F. K.
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.06.2013
Subjects
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Elemental Phosphorus
White Phosphorus
Palladium
General Chemistry
Palladium Cluster
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Summary:The state of palladium in nanoparticles formed in the system PdCl 2 — elemental phosphorus in an inert atmosphere was identified using X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS). Palladium phosphides of different composition and Pd(0) clusters are shown to form as a result of a redox process. According to the XPS data, the structures of nanoparticles are of the core-shell type. The interaction of PdCl 2 with P 4 is followed not only by the hydrolysis of the solvent (DMF) accelerated by hydrochloric acid, but also by the decomposition catalyzed by palladium cluster of organic compounds. The formed graphite and phosphoric acids stabilize the nanoparticles.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363213060029