Synthesis and Characterization of One-Dimensional Porous (Zn,Cd)S/SiO₂ Composite Nanostructural Materials

Figure 3

Illustration of the growth mechanism of the as-prepared 1D porous nanostructure: (a) gold film on silicon wafer; (b) Au-SiO_x alloy droplets; (c) formation of SiO₂ nanowires by reaction between silicon and oxygen in the system; and (d) ZnS and CdS vapor deposited on the surface of the SiO₂ nanowires and crystallized to form (Zn,Cd)S/SiO₂ composite nanostructure.

(a)

(b)

(c)

(d)