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Synthesis and Characterization of PVP-Stabilized Palladium Nanoparticles by XRD, SAXS, SP-ICP-MS, and SEM

  • Due to increased emissions of palladium nanoparticles in recent years, it is important to develop analytical techniques to characterize these particles. The synthesis of defined and stable particles plays a key role in this process, as there are not many materials commercially available yet which could act as reference materials. Polyvinylpyrrolidone- (PVP-) stabilized palladium nanoparticles were synthesized through the reduction of palladium chloride by tetraethylene glycol (TEG) in the presence of KOH. Four different methods were used for particle size analysis of the palladium nanoparticles. Palladium suspensions were analyzed by scanning electron microscopy (SEM), small angle X-ray scattering (SAXS), single-particle ICP-MS (SP-ICP-MS), and X-ray diffraction (XRD). Secondary particles between 30 nm and 130 nm were detected in great compliance with SAXS and SP-ICP-MS. SEM analysis showed that the small particulates tend to form agglomerates.

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Document Type:Article
Author:Katharina Walbrück, Fabian Kuellmer, Steffen Witzleben, Klaus Guenther
Parent Title (English):Journal of Nanomaterials
Article Number:4758108
Place of publication:London
Publishing Institution:Hochschule Bonn-Rhein-Sieg
Date of first publication:2019/04/17
Copyright:Copyright © 2019 Katharina Walbrück et al. This is an open access article distributed under the Creative Commons Attribution License
Funding:The measurement equipment Bruker D2 and Bruker D8 was funded by the Federal Ministry of Education and Research Germany.
Departments, institutes and facilities:Fachbereich Angewandte Naturwissenschaften
Dewey Decimal Classification (DDC):5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Entry in this database:2019/04/25
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International