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
Citations
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Active sites of nitrogen-doped carbon materials for oxygen reduction reaction clarified using model catalysts
TL;DR: In this paper, the oxygen reduction reaction (ORR) active site was characterized by using newly designed graphite (highly oriented pyrolitic graphite) model catalysts with well-defined π conjugation and well-controlled doping of N species.
Journal ArticleDOI
Cocatalysts for Selective Photoreduction of CO2 into Solar Fuels.
TL;DR: Various cocatalysts, such as the biomimetic, metal-based,Metal-free, and multifunctional ones, and their selectivity for CO2 photoreduction are summarized and discussed, along with the recent advances in this area.
Journal ArticleDOI
Emerging Two-Dimensional Nanomaterials for Electrocatalysis
Huanyu Jin,Chunxian Guo,Xin Liu,Jinlong Liu,Anthony Vasileff,Yan Jiao,Yao Zheng,Shi-Zhang Qiao +7 more
TL;DR: The fundamental relationships between electronic structure, adsorption energy, and apparent activity for a wide variety of 2D electrocatalysts are described with the goal of providing a better understanding of these emerging nanomaterials at the atomic level.
Journal ArticleDOI
Defect Chemistry of Nonprecious-Metal Electrocatalysts for Oxygen Reactions
TL;DR: The recent development of this concept is reviewed here and a novel principle for the design of oxygen electrocatalysts is proposed and an overview of the defects in carbon-based, metal-free electrocatalysis for ORR and various defects in metal oxides/selenides for OER is provided.
Structural (n,m) determination of isolated single wall carbon nanotubes by resonant Raman scattering
Mildred S. Dresselhaus,Ado Jorio,G. Dresselhaus,Martin Hunter,T. McClure,Jason H. Hafner,Charles M. Lieber,Riichiro Saito +7 more
TL;DR: In this paper, a unique chirality assignment was made for both metallic and semiconducting nanotubes of diameter d(t), using the parameters gamma(0) = 2.9 eV and omega(RBM) = 248/d(t).
References
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Journal ArticleDOI
Synthesis of nitrogen-doped graphene via simple microwave-hydrothermal process
Il To Kim,Moo Whan Shin +1 more
TL;DR: In this article, the authors demonstrate successful application of the microwave-hydrothermal method to the synthesis of nitrogen-doped graphene, which is significantly reduced compared to previously proposed methods as a result of rapid heating by microwave radiation involving agitation of polar molecules and oscillation of ions.
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Electron Transfer Number Control of the Oxygen Reduction Reaction on Nitrogen-Doped Reduced-Graphene Oxides Using Experimental Design Strategies
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Electrochemical catalytic activity for oxygen reduction reaction of nitrogen-doped carbon nanofibers.
Jiyoung Kim,Seongyop Lim,Sang Kyung Kim,Dong Hyun Peck,Byungrok Lee,Seong Ho Yoon,Doo-Hwan Jung +6 more
TL;DR: The electrocatalytic activity of nitrogen-doped carbon nanofibers, which are synthesized directly from vaporized acetonitrile over nickel-iron based catalysts, for oxygen reduction reaction (ORR), was investigated and the surface of N-CNFs is found to have stronger interaction with ions than undoped-carbon surfaces.
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Metal free, end-opened, selective nitrogen-doped vertically aligned carbon nanotubes by a single step in situ low energy plasma process
TL;DR: In this article, a single step in situ process of growth and nitrogen-electron cyclotron resonance plasma treatment of vertically aligned multi walled carbon nanotubes (VA-MWCNTs) was reported, leading to concurrent end opening by metal cap removal, nitrogen incorporation and intercalation along with substitution at graphitic sites resulting in n-type electronic doping.
Journal ArticleDOI
Effect of doping on electronic properties of double-walled carbon and boron nitride hetero-nanotubes
TL;DR: In this paper, the effect of boron nitride (BN) doping on electronic properties of armchair double-walled carbon and hetero-nanotubes is studied using ab initio molecular dynamics method.