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. 2022 Dec 2;27(23):8474. doi: 10.3390/molecules27238474

Figure 2.

Figure 2

SEM images of BOB (a), BPO (b), and composite PB5 (c); EDS elemental mapping of PB5 from the SEM selected area (d); TEM images of BOB (e) and PB5 (g); corresponding HRTEM images of BOB (f) and PB5 (h).