Articles with "embedded graphene" as a keyword



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Heme Cofactor‐Resembling Fe–N Single Site Embedded Graphene as Nanozymes to Selectively Detect H2O2 with High Sensitivity

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201905410

Abstract: Over the past decade, the catalytic activity of nanozymes has been greatly enhanced, but their selectivity is still low and considered a critical issue to overcome. Herein, Fe–N4 single site embedded graphene (Fe–N‐rGO), which resembles… read more here.

Keywords: cofactor; single site; embedded graphene; site embedded ... See more keywords
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Transition Metal‐dinitrogen Complex Embedded Graphene for Nitrogen Reduction Reaction

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Published in 2019 at "ChemCatChem"

DOI: 10.1002/cctc.201900536

Abstract: Conversion of nitrogen to ammonia (NH3) is one of the most important issue in the modern chemical industry. Transition metals (TM) have the special unoccupied and occupied d orbitals to accept the electrons from and… read more here.

Keywords: nitrogen reduction; embedded graphene; reaction; reduction reaction ... See more keywords
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Relative Efficacy of Co−X4 Embedded Graphene (X=N, S, B, and P) Electrocatalysts towards Hydrogen Evolution Reaction: Is Nitrogen Really the Best Choice?

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Published in 2019 at "ChemCatChem"

DOI: 10.1002/cctc.201901293

Abstract: We perform first‐principles calculations to investigate whether or not nitrogen is the best dopant in system of Co−X4 embedded graphene (X=N, S, B, and P) electrocatalysts towards hydrogen evolution reaction(HER). Our theoretical results reveal that… read more here.

Keywords: evolution reaction; embedded graphene; hydrogen evolution; hydrogen ... See more keywords
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Syngas conversion catalyzed by copper-embedded graphene

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.146500

Abstract: Abstract A detailed reaction mechanism for syngas conversion into ethanol over copper-embedded graphene catalyst has been studied by periodic density functional theory calculations. The preferential pathway for syngas conversion starts with CO hydrogenation to the… read more here.

Keywords: conversion; embedded graphene; copper embedded; syngas conversion ... See more keywords
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Single-precursor synthesis of sub-10 nm CdS nanoparticles embedded on graphene sheets nanocatalyst for active photodegradation under visible light

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.147614

Abstract: Abstract Quantum dots (QDs) sized sub-10 nanometer (nm) cadmium sulfide (CdS) nanoparticles (NPs) embedded graphene sheets photocatalyst expected significant interest owing to their tunable band gap and high surface to volume ratio. Here demonstrate a… read more here.

Keywords: cds rgo; synthesis sub; sub cds; graphene sheets ... See more keywords
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Geometric, electronic, magnetic and catalytic properties of carbon deposited on metal embedded graphene

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Published in 2017 at "Computational Materials Science"

DOI: 10.1016/j.commatsci.2016.09.025

Abstract: Abstract Based on the first-principles of density-functional theory (DFT), the effects of deposited C atoms on the geometric stability, electronic structure and magnetic property of metal embedded graphene (M-graphene, M = Pt, Ni and Al) systems are… read more here.

Keywords: metal embedded; metal; embedded graphene; geometric electronic ... See more keywords
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2D WC single crystal embedded in graphene for enhancing hydrogen evolution reaction

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Published in 2017 at "Nano Energy"

DOI: 10.1016/j.nanoen.2017.01.057

Abstract: Abstract Electrochemical water splitting is regarded as one of the most economical and eco-friendly approaches for hydrogen revolution. Developing a low-cost and earth-abundant non-noble-metal catalyst will be of the most significance. Tungsten carbide (WC) is… read more here.

Keywords: embedded graphene; single crystal; hydrogen evolution;
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Fe/Nx clusters embedded in graphene with tunable properties for gas separation

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Published in 2018 at "Synthetic Metals"

DOI: 10.1016/j.synthmet.2018.04.003

Abstract: Abstract Increasing concerns about capture and separation of CO2 and its impact on the global warming are motivating researchers to discover new materials and strategies for efficient CO2 capture. Here, we explored the possibility of… read more here.

Keywords: co2 capture; clusters embedded; embedded graphene; separation ... See more keywords
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Iron Clusters Embedded in Graphene Nanocavities: Heat-Induced Structural Evolution and Catalytic C–C Bond Breaking

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Published in 2018 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.8b02104

Abstract: Metal nanoclusters can be anchored at defective sites of graphene sheets to strengthen their thermal stability for potential device applications. A previous transmission electron microscopy (TEM) experimental study on the morphology change of an ultrafine… read more here.

Keywords: graphene; graphene nanocavity; clusters embedded; embedded graphene ... See more keywords
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Computational Screening of Single-Metal-Atom Embedded Graphene-Based Electrocatalysts Stabilized by Heteroatoms

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Published in 2022 at "Frontiers in Chemistry"

DOI: 10.3389/fchem.2022.873609

Abstract: Metal-N-doped carbon is a promising replacement for non-precious-metal catalysts such as Pt for the oxygen reduction reaction (ORR) in polymer electrolyte membrane fuel cells (PEMFCs). Although these materials have relatively good catalytic activity and are… read more here.

Keywords: metal atom; computational screening; metal; graphene ... See more keywords
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Macro-Size Regenerated Cellulose Fibre Embedded with Graphene Oxide with Antibacterial Properties

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Published in 2023 at "Polymers"

DOI: 10.3390/polym15010230

Abstract: Macro-size regenerated cellulose fibres (RCFs) with embedded graphene oxide (GO) were fabricated by dissolving cellulose in a pre-cooled sodium hydroxide (NaOH)/urea solution and regenerated in sulphuric acid (H2SO4) coagulant. Initially, GO was found to disperse… read more here.

Keywords: embedded graphene; macro size; regenerated cellulose; size regenerated ... See more keywords