Articles with "graphene supported" as a keyword



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Graphene Supported Single Atom Transition Metal Catalysts for Methane Activation

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201800465

Abstract: Single‐atom catalysis is a relatively new concept to enhance catalytic activity of transition metal atoms through proper choice of support. The interest in such systems is due to the fact that both the quantum size… read more here.

Keywords: graphene supported; transition metal; activation;
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Graphene-Supported Cobalt(III) Complex of a Tetraamidomacrocyclic Ligand for Oxygen Reduction Reaction

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Published in 2017 at "Catalysis Letters"

DOI: 10.1007/s10562-017-2243-x

Abstract: AbstractPolymer electrolyte membrane fuel cells (PEMFCs) are at the cusp of providing large scale energy solutions, yet challenges in developing high performance, durable, and cost effective platinum catalyst alternatives continue to impede commercialization efforts. A… read more here.

Keywords: graphene; graphene supported; supported cobalt; cobalt iii ... See more keywords
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Graphene Film-Supported Oriented 1.1.1 Gold(0) Versus 2.0.0 Copper(I) Nanoplatelets as Very Efficient Catalysts for Coupling Reactions

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Published in 2018 at "Topics in Catalysis"

DOI: 10.1007/s11244-018-1043-x

Abstract: Few-layered graphene-supported 1.1.1 and 2.0.0 oriented Au and Cu2O nanoplatelets were prepared by one-step pyrolysis of the corresponding metal salts embedded in chitosan at 900 °C under inert atmosphere. These nanometric films containing oriented nanoplatelets were… read more here.

Keywords: graphene film; michael addition; graphene; supported oriented ... See more keywords

Graphene supported MgNi alloy nanocomposite as a room temperature hydrogen storage material – Experiments and theoretical insights

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Published in 2021 at "Acta Materialia"

DOI: 10.1016/j.actamat.2021.117040

Abstract: Abstract Experimental studies along with density functional theory (DFT) calculations have been performed to probe and understand the hydrogen storage properties of graphene supported MgNi alloy nanoparticles nanocomposites. The main highlight of the present work… read more here.

Keywords: hydrogen storage; hydrogen; supported mgni; graphene supported ... See more keywords
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One-pot construction of N-doped graphene supported 3D PdAg nanoflower as efficient catalysts for ethylene glycol electrooxidation

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Published in 2019 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2018.10.059

Abstract: Abstract Rational design and support introduction of electrocatalysts are significant for the improvement of their performances for electrooxidation reaction, but still a grand challenge. Herein, we developed a facile one-pot method to construct a unique… read more here.

Keywords: graphene supported; electrooxidation; doped graphene; one pot ... See more keywords
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Phase structure tuning of graphene supported Ni-NiO Nanoparticles for enhanced urea oxidation performance

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Published in 2021 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2021.137755

Abstract: Abstract The sluggish kinetics of urea electro-oxidation seriously limits its application in hydrogen production and wastewater treatment. Herein, we demonstrated an easy freeze-drying/annealing approach induced phase structure tuning of graphene supported Ni-NiO nanoparticles system for… read more here.

Keywords: urea oxidation; graphene supported; oxidation; supported nio ... See more keywords
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Improvement in the hydrogenation-dehydrogenation performance of a Mg–Al alloy by graphene supported Ni

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Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.10.242

Abstract: Abstract Mg-based materials are very promising candidates for hydrogen storage. In this paper, the graphene supported Ni was introduced to the Mg90Al10 system by hydrogenation synthesis (HS) and mechanical milling (MM). The 80 wt%Ni@Gn catalyst was… read more here.

Keywords: hydrogen; graphene; graphene supported; performance ... See more keywords
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Sandwich-like graphene-supported mesoporous silica nanosheets as sulfur hosts for highly stable lithium–sulfur batteries

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.154189

Abstract: Abstract Herein, the sandwich-like graphene-supported mesoporous silica nanosheets (G-mesosilica nanosheets) have been fabricated as sulfur cathode hosts for Li–S batteries. The obtained G-mesosilica nanosheets possess a mesoporous structure with two sizes (2.8 nm and 14 nm) of… read more here.

Keywords: like graphene; sulfur hosts; sandwich like; mesoporous silica ... See more keywords
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Promotion of hydrogen peroxide production on graphene-supported atomically dispersed platinum: Effects of size on oxygen reduction reaction pathway

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Published in 2019 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2019.226771

Abstract: Abstract Reducing the Pt utilization has become a desirable task in the electrocatalytic oxygen reduction reaction process. Here, we report that Pt single-atoms are successfully anchored on reduced graphene oxide sheets via facile chemical reduction.… read more here.

Keywords: reduction; pathway; oxygen reduction; graphene supported ... See more keywords
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H 2 adsorption on free and graphene-supported Ni nanoclusters: A theoretical study

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Published in 2018 at "Surface Science"

DOI: 10.1016/j.susc.2017.10.024

Abstract: Abstract Density functional theory (DFT) was used to investigate the applicability of the graphene-supported Nin nanoclusters as catalysts for the hydrogenation reaction. The adsorption and complete dissociation of the H2 on the Nin nanoclusters were… read more here.

Keywords: adsorption; graphene; graphene supported; free graphene ... See more keywords
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N-Doped Graphene-Supported Diatomic Ni–Fe Catalyst for Synergistic Oxidation of CO

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Published in 2021 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.1c00114

Abstract: Polynary single-atom structures can provide synergistic functions based on multiple active sites and reactants, which significantly improve their catalytic performance. However, the structure–activ... read more here.

Keywords: diatomic catalyst; supported diatomic; graphene supported; doped graphene ... See more keywords