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
Platinum-alloy nanostructured thin film catalysts for the oxygen reduction reaction
Dennis van der Vliet,Chao Wang,Mark K. Debe,Radoslav Atanasoski,Nenad M. Markovic,Vojislav R. Stamenkovic +5 more
TL;DR: In this article, a number of metallic alloy nanostructured thin film (NSTF) catalysts have been characterized by rotating disk electrode (RDE) and optimal loadings for the ORR and activity enhancement compared to conventional carbon supported nanoparticles (Pt/C) were established.
Journal ArticleDOI
Oxygen reduction reaction on electrodeposited zinc oxide electrodes in KCl solution at 70 ◦ C
TL;DR: In this paper, the reduction of oxygen was studied in 0.1m KCl at 70°C using the rotating disk electrode (RDE) technique on platinum and electrodeposited ZnO thin film electrodes deposited on platinum substrates.
Journal ArticleDOI
Nitrogen-doped reduced-graphene oxide as an efficient metal-free electrocatalyst for oxygen reduction in fuel cells
Zhen-Jiang Lu,Shu-Juan Bao,Yu-Ting Gou,Chang-Jun Cai,Chen-Chen Ji,Maowen Xu,Jie Song,Rui-Ying Wang +7 more
TL;DR: In this paper, a low-cost industrial material, 5-aminotetrazole monohydrate (AM), was chosen to modify reduced-graphene oxide (RGO) by a facile, catalyst-free thermal annealing approach in largescale.
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.
Journal ArticleDOI
A facile synthesis of polypyrrole nanotubes using a template-mediated vapor deposition polymerization and the conversion to carbon nanotubes
Jyongsik Jang,Joon Hak Oh +1 more
TL;DR: Polypyrrole nanotubes with highly uniform surface and tunable wall thickness were fabricated by one-step vapor deposition polymerization (VDP) using anodic aluminium oxide (AAO) template membranes, and transformed into carbon nanot tubes through a carbonization process.