Electric field-driven interfacial reduction of metal ions in microdroplets: gold, silver, and nickel

Chem. Sci., 2025, Advance Article DOI: 10.1039/D5SC04995D, Edge Article Sandeep Bose, Richard N. Zare A bulk aqueous solution containing 100 μM HAuCl4 has been shown to spontaneously form gold nanoparticles (Au NPs) in 2–3 days when stored at room temperature.