Research Article

High-Yield Synthesis of Uniform Ag Nanowires with High Aspect Ratios by Introducing the Long-Chain PVP in an Improved Polyol Process

Table 1

Products obtained by using PVP with different MWs. ( °C and ). Note that D and L mean the average diameter and length of Ag nanowires, respectively.

NoPVPFinal product (yields) and size of nanowires

(1)K17 (MW = 15000)Nanoparticles (~60%) and nanowires (~40%); D: ~120 nm, L: ~3 μm
(2)K25 (MW = 38000)Nanoparticles (~50%) and nanowires (~50%); D: ~100 nm, L: ~3 μm
(3)K30 (MW = 58000)Nanoparticles (~10%) and nanowires (90%); D: ~180 nm, L: ~8 μm
(4)K60 (MW = 200000)Nanoparticles (~5%) and nanowires (~95%); D: ~120 nm, L: ~8 μm
(5)K90 (MW = 800000)Nanowires (~99%); D: ~100 nm, L: ~10 μm