Various kneed gold nanowires with unique morphology were prepared by reducing hydrogen tetrachloroaurate through polyol process in the presence of polyvinylpyrrolidone (PVP). The kneed nanowires were ca. 150nm in thickness and ca. 14 μm in length. Initial injection and dropping rate of hydrogen tetrachloroaurate (HAuCl4) and PVP solutions into ethylene glycol were keys to induce formation of kneed gold nanowires.
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