Figure 2: GeO2 dissolution in water over time.

SEM morphologies of Ge SMS freshly synthesized by LML in water (a) and porous SMS formed after storage in water for 1 week due to GeO2 dissolution. (c) and (d) depict sketches of (a) and (b).
SEM morphologies of Ge SMS freshly synthesized by LML in water (a) and porous SMS formed after storage in water for 1 week due to GeO2 dissolution. (c) and (d) depict sketches of (a) and (b).