Simple surface-assisted formation of palladium nanoparticles on polystyrene microspheres and their application in catalysis

Abstract

Herein we develop a facile and green method for assembling palladium nanoparticles on polystyrene microsphere with excellent catalytic performance.

Green synthesis of palladium nanoparticles using lentinan for catalytic activity and biological applications

“…These values were consistent with Pd(0) binding energy, indicating that Pd( ii ) has been successfully reduced to Pd(0) by LNT. 20 Kardanpour and coworkers prepared highly dispersed Pd NPs which had similar binding energy compared with Pd 150 -LNT NPs. 21 Therefore, XPS results confirmed the successful preparation of Pd n -LNT NPs.…”

A Smart Route for Encapsulating Pd Nanoparticles into a ZIF-8 Hollow Microsphere and Their Superior Catalytic Properties

“…4.5 nm) that were well dispersed on the PS template microspheres (Figure 1d and 1g). 20 However, the SEM image (Figure 1a) reveals a surface morphology similar to the template microspheres. In contrast, the SEM image (Figure 1b) of the PS/Pd@ZIF-8 composite particles manifests that, each PS/Pd composite particle is encapsulated by a ZIF-8 shell containing some distinguishable rhombic dodecahedron nanocrystal.…”

“…7.0 nm) were successfully incorporated into the ZIF-8 hollow microspheres (Figure 5), by reducing the concentration of PS template microspheres that was added in PdCl 2 aqueous solution during the synthesis of Pd NPs. 20 The first step in the synthetic approach (Scheme 1) is based on our reported work on surface-assisted growth of Pd NPs on PS microspheres. Therein, the PS/Pd composite particles with smaller Pd NPs were found to exhibit higher catalytic activity.…”

“…First, PS/Pd composite particles were synthesized according to our recent work. 20 Next, Zn(NO 3 ) 2 •6H 2 O (1.5 mmol), and PS/Pd composite particles (150 mg) were mixed in methanol (75 mL). After stirring for 15 min, 2-methylimidazole (3 mmol) was dissolved in methanol (75 mL) and then added into the abovementioned mixture.…”

Magnetic polymer bowl for enhanced catalytic activity and recyclability

“…16 Among them, polystyrene (PS) particles have shown numerous advantages as a catalytic support material, such as their simple and large scalable synthesis, monodispersity and controllability in size and shape, good dispersion in various media, and easy surface modication. [17][18][19][20] Because most of previously reported studies have used, however, solid PS particles with a relatively low surface area, [20][21][22][23][24][25][26] it is difficult to increase the loading amount of noble metal NPs. Alternatively, numerous studies have reported the fabrication of PS particles with hollow structures to provide large surface areas.…”