Soluble amphiphilic tannin-stabilized Pd(0) nanoparticles: a highly active and selective homogeneous catalyst used in a biphasic catalytic system

Abstract

Homogeneous BT-stabilized Pd(0) nanoparticles are highly active for the biphasic hydrogenation of hydrophobic substrates because BT is an amphiphilic polymer that can form hydrophobic bonds with the organic phase, thus increasing the possibility of catalytic species to contact with hydrophobic substrates.

The Chemical Deposition Method for the Decoration of Palladium Particles on Carbon Nanofibers with Rapid Conductivity Changes

“…The results further justify the presence and subsequent increase in Pd content with chemical deposition time such that 25.4 wt % of Pd for 1 h increases to 54 wt % for 12 h. The others indicate the signals from the residual chemicals and the substrate. The XPS spectrum ( Figure 3 a), besides the C 1 s peak at 285.0 eV and O 1 s peak at 532 eV [ 26 ], shows Pd 3d 5/2 and Pd 3d 3/2 peaks at 335.1 eV and 340.7 eV, respectively, in good agreement with the previous reports of bulk Pd(0) [ 27 , 28 ]. The peak intensity increases with the increase in deposition time at the Pd region is in accordance with the SEM and EDX results.…”

Co-calcination-derived Pd budded in N-Doped Ordered Mesoporous Graphitic Carbon Nanospheres for Advanced Methanol-tolerant Oxygen Reduction

“…3D). The large peaks at 335.6 eV and 340.5 eV represent Pd 3 d 5/2 and Pd 3 d 3/2 , respectively, which are consistent with the reported values of bulk Pd(0) [35]. The small pair at 337.2 eV and 342.5 eV originating from Pd-oxide are very close to the literature values of Pd(II) and Pd(IV) [36,37].…”

Pd(0) Nanoparticle Stabilized by Tannin-grafted SiO2 Beads and Its Application in Liquid-hydrogenation of Unsaturated Organic Compounds

“…It is reported that silver nanoparticles have been successfully prepared by using tannins as the stabilizers [9,10]. Using a typical condensed tannin as the stabilizer, our research group also developed a facile route for the synthesis of Pd(0) nanoparticles [11]. As homogeneous catalysts, those noble metal nanoparticles may show high catalytic activity, but difficulties in separation and reuse inevitably limit their practical applications.…”