Evaluation of La-Doped Mesoporous Bioactive Glass as Adsorbent and Photocatalyst for Removal of Methylene Blue from Aqueous Solution

Figure 12

TEM images of regeneration products ((a) BG-La-1, (b) BG-La-2, (c) BG-La-3, (d) BG-La-1, and (e) BG-La-5).