Fig. 7: Continuous flow synthesis of Ag-Au@HPS microspheres in a spiral microreactor. | Microsystems & Nanoengineering

Fig. 7: Continuous flow synthesis of Ag-Au@HPS microspheres in a spiral microreactor.

From: Microfluidic continuous flow production of noble bimetallic nanoparticles stabilized on evolvable polymer microspheres for confined synergistic catalysis

Fig. 7: Continuous flow synthesis of Ag-Au@HPS microspheres in a spiral microreactor.

a the schematic diagram and the geometrical parameters of the spiral microreactor, b the physical diagram of the PDMS spiral microreactor, c SEM image of the Ag-Au@HPS microsphere fabricated in the microreactor, d TEM image of the Ag-Au@HPS microsphere, e the TEM image of Ag and Au nanoparticles distribution on the PS microsphere, f–h the fringe lattices of the Ag and Au nanoparticles with HRTEM characterization, i–k SEM images of Ag-Au@HPS microspheres at different magnifications, l EDS mapping images of Ag-Au@HPS microspheres

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