Publication

Quantification of surface composition and segregation on AuAg bimetallic nanoparticles by MALDI MS

Francesco Stellacci, Zhi Luo, Suiyang Liao
2020
Journal Articles

Abstract

In this work we show that it is possible to use MALDI-TOF as a tool to quantify the atomic composition and to describe the phase segragation of the surface of ligand-coated, bimetallic AuAg nanoparticles. Our investigation shows that AuAg nanoparticles of various compositions exhibit core-shell heterogeneity with surface enrichment of Ag. A Monte-Carlo type simulation demonstrates that the surface Au and Ag atoms arrange in a random fashion.

Official source

https://infoscience.epfl.ch/entities/publication/dcf0bd69-36ea-4985-8d1f-f62b35fab556

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Quantification of surface composition and segregation on AuAg bimetallic nanoparticles by MALDI MS

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