Figure 7
(a) HAADF SEM mapping of the elements of the Fe3O4@SiO2@PEI-Au/Ag@PDA nanocomposite; (b) The EDX spectrum of the Fe3O4@SiO2@PEI-Au/Ag@PDA nanocomposite. The Cu element comes from the substrate of the Cu grid.
Figure 7 | Scientific Reports
(a) HAADF SEM mapping of the elements of the Fe3O4@SiO2@PEI-Au/Ag@PDA nanocomposite; (b) The EDX spectrum of the Fe3O4@SiO2@PEI-Au/Ag@PDA nanocomposite. The Cu element comes from the substrate of the Cu grid.
