FePd nanowires modified with cyclodextrin. Characterization and catalytic properties evaluated by a model reduction reaction

Synthetic Application of Cyclodextrins in Combination with Metal Ions, Complexes, and Metal Particles

“…Another catalyst was made by forming FePd nanowires with an average crystallite size of 6 � 1 nm (FeCl 3 , PdCl 2 , NaBH 4 , γ-FePd disordered fcc structure). [58] According to XPS analysis, metallic Pd and Fe interacted with oxygen atoms. A k obs /S value of 0.…”

“…The sample after depositing Pd nanoparticles (PdCl 2 , NaBH 4 , 4.2±0.1 nm) gave a rate constant of 1.50±0.07 10 −3 L s −1 m −2 in the reduction of 4NP. Another catalyst was made by forming FePd nanowires with an average crystallite size of 6±1 nm (FeCl 3 , PdCl 2 , NaBH 4 , γ‐FePd disordered fcc structure) [58] . According to XPS analysis, metallic Pd and Fe interacted with oxygen atoms.…”

FePd nanowires modified with cyclodextrin as improved catalysts: effect of the alloy composition on colloidal stability and catalytic capacity

“…In order to avoid that undesirable effect, which decreases the active surface in the catalyst, a stabilizer such as cyclodextrins (CDs) can be added on the surface of the nanostructure. [28][29][30] CDs are macrocyclic compounds formed by α-D-glucopiranose units bonded by α-1,4-glycosidic bonds which have a hydrophobic internal cavity and a hydrophilic external surface; they are an accessible and non-toxic alternative to other stabilizers. An additional exceptional feature is their ability to form reversible host-guest complexes with particular compounds, thereby facilitating catalytic transformations.…”

“…We have recently reported the remarkable effect of βCDMOD14 (see Scheme 1) 32 on the colloidal stability and catalytic activity of Pd NP (Pd NPs) 33 and Fe 55 Pd 45 NWs (Fe 55 Pd 45 NWs). 29 The reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) has been frequently used as a model reaction in order to evaluate the catalytic activity of metal NPs due to the simple and accurate procedure for measuring the reaction progress by UV-vis spectroscopy. Two distinct mechanisms for 4-NP reduction in presence of NPs are worth mentioning: (a) a surface-mediated electron transfer and (b) a surfacemediated hydrogen transfer.…”

Electrostatically confined Bi/Ti3C2Txon a sponge as an easily recyclable and durable catalyst for the reductive transformation of nitroarenes

“…[1][2][3][4][5] Catalysts are indispensable for capably catalyzing NaBH 4 to afford this process. 6,7 Among the reported catalysts, Au, 8 Ag, 6 Cu, 9 Pd, 5 Pt, 10 and metal alloys [11][12][13][14][15][16] have been proved to be thermodynamically favorable, considerably efficient, and catalytically durable for NaBH 4 -participating nitroarene hydrogenation reactions. 1,[17][18][19] Especially, nanometal bismuth (Bi) has practical potential for catalyzing nitroarene hydrogenation with the consideration of both the merits mentioned above and the low cost.…”