Figure 10

TEM images of MgO-P-NaOH-3 (a) and MgO-P- Na₂CO₃-3.14 (a’). HR-TEM images of MgO-P-NaOH-3 (b) and MgO-P- Na₂CO₃-3.14 (b’). TEM mapping analysis of Mg and O elements on the surface of MgO-P-NaOH-3 (c,d) and MgO-P- Na₂CO₃-3.14 (c’–d’). EDS analysis of MgO-P-NaOH-3 (e) and MgO-P- Na₂CO₃-3.14 (e’).