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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Pyridinic and graphitic nitrogen-rich graphene for high-performance supercapacitors and metal-free bifunctional electrocatalysts for ORR and OER
Shaikh Nayeem Faisal,Enamul Haque,Nikan Noorbehesht,Weimin Zhang,Andrew T. Harris,Tamara L. Church,Andrew I. Minett +6 more
TL;DR: In this article, a facile synthesis method to produce nitrogen-doped graphene containing a high atomic percentage of pyridinic N and graphitic N via the thermal annealing of graphene oxide and uric acid is reported.
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From a ZIF-8 polyhedron to three-dimensional nitrogen doped hierarchical porous carbon: an efficient electrocatalyst for the oxygen reduction reaction
Cuijuan Xuan,Baoshan Hou,Weiwei Xia,Weiwei Xia,Zongkai Peng,Tao Shen,Huolin L. Xin,Guoan Zhang,Deli Wang +8 more
TL;DR: In this article, a NaCl-assisted exfoliation approach was developed to synthesize three-dimensional (3D) nitrogen doped hierarchical porous carbons (NHPCs) by the pyrolysis of a ZIF-8 polyhedron.
Journal ArticleDOI
Preparation and characterization of self-assembled layer by layer NiCo2O4–reduced graphene oxide nanocomposite with improved electrocatalytic properties
TL;DR: In this article, NiCo 2 O 4 nanoparticles dispersed on reduced graphene oxide (RGO) are prepared by simultaneously reducing graphene oxide, nickel and cobalt nitrate via a hydrothermal method assisted by post annealing at low temperature.
Journal ArticleDOI
Uniform nitrogen and sulfur co-doped carbon nanospheres as catalysts for the oxygen reduction reaction
Chenghang You,Shijun Liao,Hualing Li,Sanying Hou,Hongliang Peng,Xiaoyuan Zeng,Fangfang Liu,Ruiping Zheng,Zhiyong Fu,Yingwei Li +9 more
TL;DR: In this article, uniform nitrogen and sulfur co-doped carbon nanospheres with an average diameter of approximately 200nm were prepared using sulfur and polyacrylonitrile as precursors.
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Tailoring of cobalt phosphide anchored nitrogen and sulfur co-doped three dimensional graphene hybrid: Boosted electrocatalytic performance towards hydrogen evolution reaction
TL;DR: In this paper, the cobalt phosphide decorated nitrogen and sulfur co-doped three dimensional graphene (CoP@N,S-3D-GN) electrocatalyst was synthesized via a simple two-step production pathway including hydrothermal self-assembly and low-temperature phosphidation.
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.