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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Journal ArticleDOI
Size, Composition, and Support-Doping Effects on Oxygen Reduction Activity of Platinum-Alloy and on non-Platinum Metal-Decorated-Graphene Nanocatalysts
Tamara Lozano,Rees B. Rankin +1 more
TL;DR: The ability to use functionalized graphene to upshift and downshift the adsorption energy of mono-atomic oxygen, O* (the ORR activity descriptor on ORR Volcano Plots), for various compositions of 4-atom, 7-atom and 19-atom sub-nanometer binary alloy/intermetallic transition metal nanoparticle catalysts on graphene (TMNP-MDG).
Book ChapterDOI
Synthesis and Surface Modification
TL;DR: A brief introduction to recent developments in preparation methodologies for graphene and graphene derivatives can be found in this article, where the advantages and disadvantages of the preparation methods for graphene are presented and discussed in detail.
Journal ArticleDOI
Nitrogen-doped graphene iron-based particle electrode outperforms activated carbon in three-dimensional electrochemical water treatment systems
TL;DR: In this article, the synergy between electrochemical oxidation and adsorption on particle electrodes was investigated in three-dimensional (3D) systems for p-nitrosodimethylaniline (RNO) decolorization and pesticide removal.
Book ChapterDOI
Graphene-CNT Hybrids for Energy Applications
TL;DR: In this paper, the authors presented several typical applications of graphene-CNT hybrid materials in optoelectronic devices, supercapacitors, and lithium batteries, and showed that they have great potential for energy-related applications such as solar energy conversion and electrochemical energy devices.
Journal ArticleDOI
Biomass-derived metal-free porous carbon electrocatalyst for efficient oxygen reduction reactions
TL;DR: In this article , nitrogen-doped graphitized carbon-based materials with a huge specific surface area of ∼1563.2 m2/g were created using a simple pyrolysis method.
References
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Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.