Figure 1

FT-IR spectra of NMP (Fe3O4) (i), bilayer-SiO2@NMP (ii), BisPyP@bilayer-SiO2@NMP (iii), and Pd-BisPyP@bilayer-SiO2@NMP (iv).

FT-IR spectra of NMP (Fe3O4) (i), bilayer-SiO2@NMP (ii), BisPyP@bilayer-SiO2@NMP (iii), and Pd-BisPyP@bilayer-SiO2@NMP (iv).