Modification of Carbon Nanofibres for the Immobilization of Metal Complexes: A Case Study with Rhodium and Anthranilic Acid

Ros, T.G.; Dillen, A.J. van; Geus, J.W.; Koningsberger, D. C.

doi:10.1002/1521-3765(20020703)8:13<2868::aid-chem2868>3.0.co;2-c

Cited by 39 publications

(20 citation statements)

References 29 publications

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“…49 The immobilization of a rhodium/anthranilic acid complex onto CNFs-h was executed by means of the following steps: (1) CNF surface oxidation, (2) conversion of the oxygen-containing surface groups into acid chloride groups, (3) attachment of anthranilic acid and (4) complexation of rhodium by the attached anthranilic acid (Figure 7.2(c)). 50 The as-synthesized Rh III complex itself is not active in the liquid-phase hydrogenation of cyclohexene. However, reduction with sodium borohydride yields small particles (d = 1.5-2 nm) of rhodium metal that are highly active.…”

Section: Alkene and Alkyne Hydrogenationmentioning

confidence: 99%

Heterogeneous Catalysis on Nanostructured Carbon Material Supported Catalysts

2015

Nanostructured Carbon Materials for Catalysis

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For almost twenty years there has been an increasing interest in the use of nanostructured carbon materials as catalyst supports. 1-16 Following the nanotechnology wave, a wide variety of carbon nanomaterials has been investigated as catalyst supports, including fullerenes, CNTs, CNFs, carbon onions, nanodiamonds, FLG or GO. CNTs and CNFs, which constitute a new family of support offering a good compromise between the advantages of AC and high surface area graphite have been particularly studied. The main advantages offered by CNT or CNF supports are: 17 (i) the high purity of the material can avoid self-poisoning; (ii) the mesoporous nature of these supports can be of interest for liquid-phase reactions, thus limiting the mass transfer; (iii) the high thermal conductivity that limits hot-spots that can damage the catalyst; (iv) their well-defined and tunable structure; (v) their rich surface chemistry that offers numerous perspectives for adsorption and dispersion of the active phase; and (vi) the specific metal support interactions, due to high electrical conductivity of the support and to the tunable orientation of the graphene layers, that exist and that can directly affect catalytic activity and selectivity. The possibility to perform catalysis in a confined space is also of great interest. 6,18 From a theoretical viewpoint, graphene provides the ultimate two-dimensional model of a catalytic support. The reason is related to its high theoretical surface area (ca. 2630 m 2 g −1 ), high conductivity, unique graphitized basal plane structure and chemical tolerance. FLG,

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Section: Alkene and Alkyne Hydrogenationmentioning

confidence: 99%

Heterogeneous Catalysis on Nanostructured Carbon Material Supported Catalysts

2015

Nanostructured Carbon Materials for Catalysis

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“…After reaction about 30 min at 0 8C, the mixture was stirred at room temperature for 2 days. After filtration and removal of all the solvents under reduced pressure, the obtained residue was recrystallized with a mixture of dichloromethane/pentane (v/vZ1/2) to give 4.41 g (7) in 83% yield. …”

Section: Synthesis and Characterization Ofmentioning

confidence: 99%

“…Although the detail mechanisms have not yet been disclosed, it has been found that carbon nanotubes are promising catalyst supports with improved catalytic activities after immobilization of homogeneous catalysts [6][7][8][9]. It is known that the existing ZieglerNatta catalytic systems for olefin polymerization are not able to tolerate polar monomers such as vinyl chloride, acrylate, etc.…”

Section: Introductionmentioning

confidence: 99%

Syntheses and catalytic activities of single-wall carbon nanotubes-supported nickel (II) metallacarboranes for olefin polymerization

Zhu

Sia

Carpenter

et al. 2006

Journal of Physics and Chemistry of Solids

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“…In many of these applications, CNTs have to be surface functionalized [8]. Among various surface functionalization techniques, oxidation is probably the most widely studied.…”

Section: Introductionmentioning

confidence: 99%

Improvement of Electrochemical Activity of Pt/MWCNT Catalyst for Proton Exchange Membrane Fuel Cell

et al. 2014

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ABSTRACT:In last years, the carbon nanotubes have been studied as an advanced metal catalyst support for proton exchange membrane fuel cell. This study focuses on the sonochemical treatment of multi walled carbon nanotubes (MWCNTs) as a platinum supporting material for proton exchange membrane fuel cell (PEMFC) by mixture of sulfuric acid and nitric acid and mixture of sulfuric acid and hydrogen peroxide. X-ray diffraction (XRD) and Infrared (IR) spectroscopy were used to characterize the surface of sonochemically treated MWCNT and nanostructured electrocatalyst Pt/MWCNT. According to the experimental results of this work, the surface of MWCNT can be more successfully functionalized with hydroxyl and carboxyl groups after sonochemical treatment by mixture of sulfuric acid and nitric acid. The particle size of prepared Ptelectrocatalyst on MWCNT was determined 3.4 nm by XRD.

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Modification of Carbon Nanofibres for the Immobilization of Metal Complexes: A Case Study with Rhodium and Anthranilic Acid

Cited by 39 publications

References 29 publications

Heterogeneous Catalysis on Nanostructured Carbon Material Supported Catalysts

Heterogeneous Catalysis on Nanostructured Carbon Material Supported Catalysts

Syntheses and catalytic activities of single-wall carbon nanotubes-supported nickel (II) metallacarboranes for olefin polymerization

Improvement of Electrochemical Activity of Pt/MWCNT Catalyst for Proton Exchange Membrane Fuel Cell

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