Figure 5

Emission spectra of (a) SiO2@AIPA-S-Si-Eu (black) and SiO2@AIPA-S-Si-Eu@SiO2 (red), (b) SiO2@AIPA-S-Si-Eu-phen (black) and SiO2@AIPA-S-Si-Eu-phen@SiO2 (red). Inset shows the corresponding Excitation spectra.

Emission spectra of (a) SiO2@AIPA-S-Si-Eu (black) and SiO2@AIPA-S-Si-Eu@SiO2 (red), (b) SiO2@AIPA-S-Si-Eu-phen (black) and SiO2@AIPA-S-Si-Eu-phen@SiO2 (red). Inset shows the corresponding Excitation spectra.