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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Ternary doping of phosphorus, nitrogen, and sulfur into porous carbon for enhancing electrocatalytic oxygen reduction
TL;DR: In this article, a ternary co-doped porous carbon (PNS-PC) has been synthesized for metal-free electrocatalyst for the ORR.
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The mechanisms of oxygen reduction reaction on phosphorus doped graphene: A first-principles study
TL;DR: In this paper, the density function theory (DFT) calculations were used to investigate the mechanisms for oxygen reduction on the metal-free phosphorus doped graphene (P-Gra) support, and it was found that all ORR species can be strongly adsorbed on the P-Gra except for the H2O molecule.
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Nanostructured Bifunctional Redox Electrocatalysts.
Min Kuang,Gengfeng Zheng +1 more
TL;DR: In this review, a brief account of recent developments of bifunctional electrocatalysts for ORR/OER and HER/Oer are introduced, aiming to provide insights into theoretical understanding of these reactions through analysis and comparison of various bifunctionsal electroCatalysts.
Journal ArticleDOI
Nitrogen-doped graphene hollow nanospheres as novel electrode materials for supercapacitor applications
Wei Fan,Yongyao Xia,Weng Weei Tjiu,Pramoda Kumari Pallathadka,Pramoda Kumari Pallathadka,Chaobin He,Chaobin He,Tianxi Liu +7 more
TL;DR: In this article, a simple layer-by-layer assembly of graphene oxide and polyaniline (PANI) on polystyrene (PS) nanospheres, followed by calcination to remove the PS template and realize the carbonization of PANI, has been shown to provide high electroactive regions, while the effective nitrogen-doping of graphene can increase electron mobility and space charge capacitance.
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Solution-processed nitrogen-rich graphene-like holey conjugated polymer for efficient lithium ion storage
Zongqiong Lin,Zongqiong Lin,Jian Xie,Bowei Zhang,Jiewei Li,Jiena Weng,Rong-Bin Song,Xiao Huang,Hao Zhang,Hai Li,Ye Liu,Zhichuan J. Xu,Wei Huang,Qichun Zhang +13 more
TL;DR: In this paper, a bottom-up method to produce free-standing single-layer nitrogen-rich graphene-like Holey conjugated polymers (NG-HCP) nanosheets through solution-process is reported.
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.