Cathodic Corrosion of a Bulk Wire to Nonaggregated Functional Nanocrystals and Nanoalloys.

ABSTRACT: A key enabling step in leveraging the properties of nanoparticles (NPs) is to explore new, simple, controllable, and scalable nanotechnologies for their syntheses. Among "wet" methods, cathodic corrosion has been used to synthesize catalytic aggregates with some control over their size and preferential faceting. Here, we report on a modification of the cathodic corrosion method for producing a range of nonaggregated nanocrystals (Pt, Pd, Au, Ag, Cu, Rh, Ir, and Ni) and nanoalloys (Pt₅₀Au₅₀, Pd₅₀Au₅₀, and Ag _xAu_{100- x}) with potential for scaling up the production rate. The method employs poly(vinylpyrrolidone) (PVP) as a stabilizer in an electrolyte solution containing nonreducible cations (Na⁺, Ca²⁺), a

SUBMITTER: Feng J 

PROVIDER: S-EPMC5865079 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature