Journal ArticleDOI
Metal-free catalysts for oxygen reduction reaction.
TLDR
This paper presents a probabilistic procedure for estimating the polymethine content of carbon dioxide using a straightforward two-step procedure, and shows good results in both the stationary and the liquid phase.Abstract:
Liming Dai,*,†,‡ Yuhua Xue,†,‡ Liangti Qu,* Hyun-Jung Choi, and Jong-Beom Baek* †Center of Advanced Science and Engineering for Carbon (Case4Carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Department of Chemistry, School of Science, Beijing Institute of Technology, Beijing 100081, People’s Republic of China School of Energy and Chemical Engineering/Center for Dimension-Controllable Covalent Organic Frameworks, Ulsan National Institute of Science and Technology (UNIST), 100 Banyeon, Ulsan, 689-798, South Korearead more
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Computational electrochemistry of doped graphene as electrocatalytic material in fuel cells
TL;DR: In this article, the authors present an overview on how density functional theory calculations can be used to design novel electrocatalytic materials for fuel cells, focusing the attention on non-metal doped graphene systems, which were reported to present excellent performances as electro catalysts for the oxygen reduction reaction at the cathodic electrode of fuel cells and are, thus, considered promising substitutes of platinum or platinum alloys electrodes.
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Excess Se-doped MoSe2 and nitrogen-doped reduced graphene oxide composite as electrocatalyst for hydrogen evolution and oxygen reduction reaction
TL;DR: In this article, defect-rich MoSe2 with nitrogen-doped reduced graphene oxide (MoSe2/NG) was synthesized in a simple hydrothermal process by introducing excess Se precursor.
Journal ArticleDOI
N-doped carbon nanofibers aerogels derived from aramid as efficient electrocatalysts for oxygen reduction reaction in alkaline and acidic media
TL;DR: In this paper, N-doped carbon nanofibers aerogels derived from commercial aramid are prepared using a facile and cost-effective process based on solvent-exchange followed by freeze-drying and pyrolysis under N2 atmosphere.
Journal ArticleDOI
Revealing the dependence of active site configuration of N doped and N, S-co-doped carbon nanospheres on six-membered heterocyclic precursors for oxygen reduction reaction
Xiaoran Zhang,Sixian Yao,Pinsong Chen,Yunqiu Wang,Dandan Lyu,Feng Yu,Ming Qing,Zhi Qun Tian,Pei Kang Shen +8 more
TL;DR: In this paper, two series of N doped and N, S co-doped carbon nanospheres were synthesized via pyrolysis of self-polymerized compounds of three analogous precursors of 2,6-Diaminopyridine, 4, 6-diminopyrimidine and 1,3-diaminobenzene as nitrogen source initiated by hydrogen peroxide and ammonium persulfate as sulfer source respectively.
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Unadulterated carbon as robust multifunctional electrocatalyst for overall water splitting and oxygen transformation
TL;DR: In this paper, a sponge-like unadulterated carbontube-graphene complexes (D/G-CTs-1,000) with multifarious intrinsic defect active sites are fabricated by boric acid-hydrothermal and pyrolysis treatments.
References
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Electric Field Effect in Atomically Thin Carbon Films
Kostya S. Novoselov,Andre K. Geim,Sergey V. Morozov,Da Jiang,Y. Zhang,S. V. Dubonos,Irina V. Grigorieva,A. A. Firsov +7 more
TL;DR: Monocrystalline graphitic films are found to be a two-dimensional semimetal with a tiny overlap between valence and conductance bands and they exhibit a strong ambipolar electric field effect.
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Helical microtubules of graphitic carbon
TL;DR: Iijima et al. as mentioned in this paper reported the preparation of a new type of finite carbon structure consisting of needle-like tubes, which were produced using an arc-discharge evaporation method similar to that used for fullerene synthesis.
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The rise of graphene
TL;DR: Owing to its unusual electronic spectrum, graphene has led to the emergence of a new paradigm of 'relativistic' condensed-matter physics, where quantum relativistic phenomena can now be mimicked and tested in table-top experiments.
Journal ArticleDOI
Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene
TL;DR: Graphene is established as the strongest material ever measured, and atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.