Research Article

New Class of Antimicrobial Agents: SBA-15 Silica Containing Anchored Copper Ions

Figure 2

TEM images of the SBA-15 silica containing free-standing copper oxide molecules (SBA-CuO) observed along the direction of the pore array (a) and perpendicularly to the pore array (b). The grains sizes can be easily estimated as varying mainly from 50 to 300 nm.
(a)
(b)