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
Highly efficient electrocatalysts for oxygen reduction based on 2D covalent organic polymers complexed with non-precious metals.
TL;DR: A class of 2D covalent organic polymers incorporating a metal with precisely controlled locations of nitrogen heteroatoms and holes synthesized from various N-containing metal-organic complexes by a nickel-catalyzed Yamamoto reaction led to the formation of COP-derived graphene analogues.
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FePt and CoPt nanowires as efficient catalysts for the oxygen reduction reaction.
Shaojun Guo,Dongguo Li,Dongguo Li,Huiyuan Zhu,Sen Zhang,Nenad M. Markovic,Vojislav R. Stamenkovic,Shouheng Sun +7 more
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Synthesis of amino-functionalized graphene as metal-free catalyst and exploration of the roles of various nitrogen states in oxygen reduction reaction
TL;DR: In this article, a solvothermal method to synthesize amino-functionalized graphene (AG) from graphite oxide (GO) only in the presence of ammonia solution was proposed.
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Graphene Oxide Gel‐Derived, Free‐Standing, Hierarchically Porous Carbon for High‐Capacity and High‐Rate Rechargeable Li‐O2 Batteries
TL;DR: In this paper, a hierarchical porous carbon (FHPC) derived from graphene oxide (GO) gel in nickel foam without any additional binder is synthesized by a facile and effective in situ sol-gel method, wherein the GO not only acts as a special carbon source, but also provides the framework of a 3D gel.
Journal ArticleDOI
Large scale synthesis of N-doped multi-layered graphene sheets by simple arc-discharge method
TL;DR: In this article, N-doped multi-layered graphene sheets were synthesized in large scale by the method of direct current arc-discharge between pure graphite rods.