Journal ArticleDOI
Simple preparation of nanoporous few-layer nitrogen-doped graphene for use as an efficient electrocatalyst for oxygen reduction and oxygen evolution reactions
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TLDR
In this paper, a simple pyrolysis of graphene oxide and polyaniline was performed to obtain nitrogen-doped graphene (NG), which has excellent catalytic activity toward oxygen reduction reaction (ORR) in an alkaline electrolyte.About:
This article is published in Carbon.The article was published on 2013-03-01. It has received 326 citations till now. The article focuses on the topics: Electrocatalyst & Oxygen evolution.read more
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A Facile Approach to Prepare Multiple Heteroatom-Doped Carbon Materials from Imine-Linked Porous Organic Polymers
TL;DR: The multiple heteroatom doped porous carbon materials display high electrocatalytic performance as exampled by the application in oxygen reduction, which showed the catalyst favors 4-electron transfer during the process, along with superior stability and higher tolerance to methanol as compared to the Pt/C.
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Graphene-supported iron-based nanoparticles encapsulated in nitrogen-doped carbon as a synergistic catalyst for hydrogen evolution and oxygen reduction reactions
TL;DR: Graphene-supported iron-based nanoparticles encapsulated in a nitrogen-doped carbon (Fe@N-C) hybrid material acts as an efficient HER and ORR catalyst in acidic medium.
Journal ArticleDOI
Effect of nitrogen precursors on the electrochemical performance of nitrogen-doped reduced graphene oxide towards oxygen reduction reaction
TL;DR: A series of nitrogen-doped reduced graphene oxides (NGs) with different ratios are synthesized by thermal annealing of graphene oxide with melamine or urea as mentioned in this paper.
Journal ArticleDOI
A recent trend: application of graphene in catalysis
Yuxin Yan,Woo In Shin,H. Chen,Shar-Mun Lee,Sivakumar Manickam,Svenja Hanson,Haitao Zhao,Edward Lester,Tao Wu,Cheng Heng Pang +9 more
TL;DR: In this paper, the progress, mechanisms and challenges of graphene application in four main reactions, i.e., oxygen reduction reaction, water splitting, water treatment and Fischer-Tropsch synthesis are discussed.
Journal ArticleDOI
Metal-free porous nitrogen-doped carbon nanotubes for enhanced oxygen reduction and evolution reactions
TL;DR: Porous N-doped carbon nanotubes (NCNTs) as mentioned in this paper were fabricated by KOH activation and pyrolysis of polypyrrole nano-notubes.
References
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Nitrogen-Doped Graphene as Efficient Metal-Free Electrocatalyst for Oxygen Reduction in Fuel Cells
TL;DR: The resultant N-graphene was demonstrated to act as a metal-free electrode with a much better electrocatalytic activity, long-term operation stability, and tolerance to crossover effect than platinum for oxygen reduction via a four-electron pathway in alkaline fuel cells.
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Synthesis of N-Doped Graphene by Chemical Vapor Deposition and Its Electrical Properties
TL;DR: Electrical measurements show that the N-doped graphene exhibits an n-type behavior, indicating substitutional doping can effectively modulate the electrical properties of graphene.
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Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity (Provisional)
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Catalyst-Free Synthesis of Nitrogen-Doped Graphene via Thermal Annealing Graphite Oxide with Melamine and Its Excellent Electrocatalysis
TL;DR: A facile, catalyst-free thermal annealing approach for large-scale synthesis of NG using low-cost industrial material melamine as the nitrogen source is proposed, which can completely avoid the contamination of transition metal catalysts, and thus the intrinsic catalytic performance of pure NGs can be investigated.
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N-doping of graphene through electrothermal reactions with ammonia.
Xinran Wang,Xiaolin Li,Li Zhang,Youngki Yoon,Peter K. Weber,Hailiang Wang,Jing Guo,Hongjie Dai +7 more
TL;DR: An n-type graphene field-effect transistor that operates at room temperature is fabricated and confirmed the carbon-nitrogen species in graphene thermally annealed in ammonia is covalently functionalized by nitrogen species.