Journal ArticleDOI
Molybdenum sulfide clusters-nitrogen-doped graphene hybrid hydrogel film as an efficient three-dimensional hydrogen evolution electrocatalyst
TLDR
In this paper, a three-dimensional hybrid electrocatalyst for hydrogen evolution reaction (HER) was constructed by decorating N-doped graphene hydrogel film (NG) with molecular clusters (MoS x ).About:
This article is published in Nano Energy.The article was published on 2015-01-01. It has received 224 citations till now. The article focuses on the topics: Electrocatalyst & Graphene.read more
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Biochemistry-inspired direct synthesis of nitrogen and phosphorus dual-doped microporous carbon spheres for enhanced electrocatalysis
TL;DR: Polydopamine-derived N,P-codoped microporous carbon spheres are rationally synthesized through the self-polymerization of dopamine induced by the phosphonic species, showing efficient performance towards electrocatalytic oxygen reduction and hydrogen evolution reactions, due to the well-developed porosity and doping effect.
Journal ArticleDOI
The effect of graphene for the hydrogen evolution reaction in alkaline medium
Huang Youguo,Fan Hailin,Chen Zhaokai,Gu Cibing,Sun Mingxue,Hongqiang Wang,Hongqiang Wang,Qingyu Li +7 more
TL;DR: In this paper, Ni-graphene composites were prepared on the surface of 304 stainless steel (304 SS) by using a simple, economical and effective electrodeposition technique in a Ni based bath with deposition time from 1min to 30min.
Journal ArticleDOI
Graphene and Graphene Analogs toward Optical, Electronic, Spintronic, Green-Chemical, Energy-Material, Sensing, and Medical Applications
M. Reza Rezapour,Chang Woo Myung,Jeonghun Yun,Amirreza Ghassami,Nannan Li,Seong Uk Yu,Amir Hajibabaei,Youngsin Park,Kwang S. Kim +8 more
TL;DR: 2D features, defects, edges, and substrate effects of Gr are discussed first, and key insights into the functionalized Gr hybrid materials lead to the applications for not only energy storage and electrochemical catalysis, green chemistry, and electronic/spintronic devices but also biosensing and medical applications.
Journal ArticleDOI
Constructing carbon-cohered high-index (222) faceted tantalum carbide nanocrystals as a robust hydrogen evolution catalyst
TL;DR: In this paper, the authors developed a micro-cutting-fragmentation technique by incomplete chlorination towards bulk tantalum carbide nanocrystals (TaC NCs@C).
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From “waste to gold”: a one-pot method to synthesize ultrafinely dispersed Fe2O3-based nanoparticles on N-doped carbon for synergistic and efficient water splitting
TL;DR: In this paper, a simple and one-pot method for the synthesis of ultrafinely dispersed iron oxide based nanoparticles (NPs) embedded in a nitrogen doped carbon matrix (denoted as Fe2O3/Fe@CN).
References
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Journal ArticleDOI
Processable aqueous dispersions of graphene nanosheets
TL;DR: It is reported that chemically converted graphene sheets obtained from graphite can readily form stable aqueous colloids through electrostatic stabilization, making it possible to process graphene materials using low-cost solution processing techniques, opening up enormous opportunities to use this unique carbon nanostructure for many technological applications.
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Nitrogen-doped carbon nanotube arrays with high electrocatalytic activity for oxygen reduction.
TL;DR: It is reported that vertically aligned nitrogen-containing carbon nanotubes (VA-NCNTs) can 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 in alkaline fuel cells.
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Preparation and Characterization of Graphene Oxide Paper
Dmitriy A. Dikin,Sasha Stankovich,Eric Zimney,Richard D. Piner,Geoffrey Dommett,Guennadi Evmenenko,SonBinh T. Nguyen,Rodney S. Ruoff +7 more
TL;DR: Graphene oxide paper is reported, a free-standing carbon-based membrane material made by flow-directed assembly of individual graphene oxide sheets that outperforms many other paper-like materials in stiffness and strength.
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Identification of active edge sites for electrochemical H2 evolution from MoS2 nanocatalysts.
Thomas F. Jaramillo,Kristina Pilt Jørgensen,Jacob Lindner Bonde,Jane Hvolbæk Nielsen,Sebastian Horch,Ib Chorkendorff +5 more
TL;DR: The active site for hydrogen evolution, a reaction catalyzed by precious metals, on nanoparticulate molybdenum disulfide (MoS2) is determined by atomically resolving the surface of this catalyst before measuring electrochemical activity in solution.