Formation of Silver Nanowires Through a Sandwiched Reduction Process

A polymer‐surfactant‐assisted sandwiched reduction route to silver nanowires is described based on the sandwich organometallic compound (η 5 ‐C 5 H 5 ) 2 Fe, in which there is obvious steric hindrance when the iron atoms reduce silver cations to elemental silver (see Figure), leading to a preferred direction. The formation of nanowires occurs in a layered solution with the assistance of poly(ethylene glycol).