Nanogold Foundry Involving High‐Shear‐Mediated Photocontact Electrification in Water
Badriah M. Alotaibi,
Zoe Gardner,
Kasturi Vimalanathan
et al.
Abstract:Controlling the size and morphology of gold nanoparticles occurs in the absence of added reducing agents or other excipients such as surfactants, on UV irradiation (λ 254 nm) of aqueous auric acid (H[AuCl4]) in a thin film of liquid in a vortex fluidic device (VFD) within a rapidly rotating tilted quartz tube. This involves contact electrification (CE), which occurs at the solid−liquid interface with the oxidation of water photoinduced, forming the hydroxyl radical, OH•. In air, the redox couple is reduction o… Show more
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