Fig. 8: The catalytic performance of the Ag-loaded hollow PS microspheres for 4-NP reduction into 4-AP. | Microsystems & Nanoengineering

Fig. 8: The catalytic performance of the Ag-loaded hollow PS microspheres for 4-NP reduction into 4-AP.

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

Fig. 8: The catalytic performance of the Ag-loaded hollow PS microspheres for 4-NP reduction into 4-AP.

a the chemical reduction reaction equation of the 4-NP into 4-AP in the presence of NaBH4 and catalyst, b the color change during the reaction process, c the UV–vis spectrum of the 4-NP, 4-NP+, and 4-AP, d The UV–vis spectrum variation process in the process of the reaction with Ag@OHPS, e The UV–vis spectrum variation with Ag-Au@OHPS as catalyst, f The UV–vis spectrum variation with Ag-Pt@OHPS as catalyst, g The catalytic mechanism of the 4-NP reduction into 4-AP in the presence of the catalyst

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