Large-Scale Cu Nanowire Synthesis by PVP-Ethylene Glycol Route

Figure 1

SEM images of Cu nanostructures obtained by reducing Cu nitrate in EG-PVP system in the presence of (a) 0.5, (b) 1.0, (c) 1.25, and (d) 2.5 mM of CTAC and (e) a schematic illustration showing the effect of Cl⁻ ion concentration in the formation of Cu NWs. SEM images of halide type in the synthesis of Cu NWs: (f) NaF, (g) NaCl, (h) CTAB, and (i) KI at a concentration of 1.25 mM and (j) a schematic illustration that shows the effect of Ksp of Cu(I) halides in the formation of Cu NWs.

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