Synthesis of composition-tunable Pd-Cu alloy nanoparticles by double target sputtering

In this work, we introduce a green synthesis technique, double-target sputtering into a liquid polymer - polyethylene glycol (PEG, M. W. = 600), to synthesize palladium-copper (Pd-Cu) alloy nanoparticles (NPs) dispersed in PEG. The composition of Pd and Cu in the alloy NPs can be controlled and vari...

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Bibliographic Details
Published in:New journal of chemistry 2020-03, Vol.44 (12), p.474-4712
Main Authors: Chau, Yuen-ting Rachel, Nguyen, Mai Thanh, Zhu, Mingbei, Romier, Arnaud, Tokunaga, Tomoharu, Yonezawa, Tetsu
Format: Article
Language:English
Subjects:
Composition
Copper
Copper base alloys
Liquid polymers
Nanoalloys
Nanoparticles
Oxidation
Palladium
Polyethylene glycol
Sputtering
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Summary:In this work, we introduce a green synthesis technique, double-target sputtering into a liquid polymer - polyethylene glycol (PEG, M. W. = 600), to synthesize palladium-copper (Pd-Cu) alloy nanoparticles (NPs) dispersed in PEG. The composition of Pd and Cu in the alloy NPs can be controlled and varied by applying different sputtering currents for Pd and Cu targets. The particle sizes of the Pd-Cu NPs are maintained in the range of 2.4-2.5 nm for various Pd-Cu compositions. Oxidation issues and crystallinity enhancement are discussed. In this work, we introduce a green synthesis technique, double-target sputtering into a liquid polymer - polyethylene glycol (PEG, M. W. = 600), to synthesize palladium-copper (Pd-Cu) alloy nanoparticles (NPs) dispersed in PEG.
ISSN:1144-0546
1369-9261
DOI:10.1039/d0nj00288g