Issue 8, 2021

Gold-spiked coating of silver particles through cold nanowelding

Abstract

Herein, we present a method to obtain particles composed of a segregated alloy of silver coated with gold. These particles are achieved through the controlled Ostwald ripening of small gold nanoparticles (NPs) on the surfaces of larger silver particles. The prepared segregated nanoalloyed colloids benefit from the advantages of gold and silver with none of their drawbacks. These platforms provide optical efficiencies which are superior to those of silver with the chemical resistance and biocompatibility of gold.

Graphical abstract: Gold-spiked coating of silver particles through cold nanowelding

Supplementary files

Article information

Article type
Paper
Submitted
01 Ker. 2020
Accepted
28 Gen. 2021
First published
28 Gen. 2021

Nanoscale, 2021,13, 4530-4536

Gold-spiked coating of silver particles through cold nanowelding

I. Calderon, R. A. Alvarez-Puebla and N. Pazos-Perez, Nanoscale, 2021, 13, 4530 DOI: 10.1039/D0NR08517K

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