Figure 2

TEM images of SiO2@AIPA-S-Si-Eu (a,b) and SiO2@AIPA-S-Si-Eu@SiO2 (d,e). EDX images of SiO2@AIPA-S-Si-Eu (c) and SiO2@AIPA-S-Si-Eu@SiO2 (f).
TEM images of SiO2@AIPA-S-Si-Eu (a,b) and SiO2@AIPA-S-Si-Eu@SiO2 (d,e). EDX images of SiO2@AIPA-S-Si-Eu (c) and SiO2@AIPA-S-Si-Eu@SiO2 (f).