Articles with "metallocene" as a keyword



3d transition metals and oxides within carbon nanotubes by co-pyrolysis of metallocene & camphor: High filling efficiency and self-organized structures

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Published in 2018 at "Carbon"

DOI: 10.1016/j.carbon.2018.02.092

Abstract: We demonstrate that a single zone furnace with a modified synthesis chamber design is sufficient to obtain metal (Fe, Co or Ni) filled carbon nanotubes (CNT) with high filling efficiency and controlled morphology. Samples are… read more here.

Keywords: high filling; filling efficiency; metallocene; pyrolysis ... See more keywords

Lewis Base Supported Terminal Thorium Imido Metallocene [η5-1,3-(Me3C)2C5H3]2Th(═Ndipp)(dmap): Its Synthesis, Structure, and Reactivity.

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Published in 2025 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.4c05313

Abstract: Addition of dippNH2 (dipp = 2,6-iPr2Ph) to a toluene solution of thorium dimethyl metallocene (Cp2tBu)2ThMe2 (1; Cp2tBu = η5-1,3-(Me3C)2C5H3) in the presence of 4-dimethylaminopyridine (dmap) affords the Lewis base supported terminal thorium imido metallocene, (Cp2tBu)2Th(═Ndipp)(dmap)… read more here.

Keywords: supported terminal; me3c 2c5h3; lewis base; thorium ... See more keywords

Coexistence of Metallocene Cations and Anions

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Published in 2025 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.5c09718

Abstract: We report the synthesis and structural characterization of the rhodocene anion [Rh(C5Me5)(C5(CF3)5)]− [1]− as the [Co(C5Me5)2]+ salt, representing an unprecedented coexistence of metallocene cations and anions in different oxidation states. [Co(C5Me5)2]+ [1]− was synthesized by… read more here.

Keywords: metallocene cations; coexistence metallocene; metallocene; c5me5 ... See more keywords

Fe-Mediated Nitrogen Fixation with a Metallocene Mediator: Exploring p Ka Effects and Demonstrating Electrocatalysis.

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Published in 2018 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.8b02335

Abstract: Substrate selectivity in reductive multielectron/proton catalysis with small molecules such as N2, CO2, and O2 is a major challenge for catalyst design, especially where the competing hydrogen evolution reaction (HER) is thermodynamically and kinetically competent.… read more here.

Keywords: nitrogen fixation; fixation metallocene; metallocene mediator; mediated nitrogen ... See more keywords
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Designed electrochemical sensor based on metallocene modified conducting polymer composite for effective determination of tramadol in real samples

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Published in 2020 at "Canadian Journal of Chemistry"

DOI: 10.1139/cjc-2020-0199

Abstract: A novel composite for the electrochemical sensing of tramadol (Tr) was developed by the inclusion of metallocene mediator between two layers of conducting poly(3,4-ethylenedioxythiophene) (PEDOT) p... read more here.

Keywords: designed electrochemical; metallocene modified; based metallocene; sensor based ... See more keywords

Modification of Hot-Melt Adhesives Based on Metallocene Poly(ethylene-propylene) Copolymer for High Adhesion to Polar Surfaces

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Published in 2022 at "Polymers"

DOI: 10.3390/polym14061253

Abstract: A procedure is described of grafting the acrylic acid onto an oxygen/ozone-activated metallocene poly(ethylene-co-propylene). Consequently, the grafted copolymer is applied as a component in a metallocene polyolefin-based hot-melt adhesive composition with increased adhesion. The surface… read more here.

Keywords: poly ethylene; hot melt; ethylene propylene; metallocene poly ... See more keywords

α-Olefin Oligomerization Mediated by Group 4 Metallocene Catalysts: An Extreme Manifestation of the Multisite Nature of Methylaluminoxane

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Published in 2024 at "Polymers"

DOI: 10.3390/polym17010046

Abstract: Group 4 metallocenes are competent catalysts for the oligomerization of higher α-olefins. Among the many chemical and physical variables of importance in the process, one is the choice of cocatalyst (activator). The impact of various… read more here.

Keywords: olefin oligomerization; mwd; group; oligomerization ... See more keywords