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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Interface Coupling of Ni–Co Layered Double Hydroxide Nanowires and Cobalt-Based Zeolite Organic Frameworks for Efficient Overall Water Splitting
TL;DR: In this paper, a new approach based on fusing NiCo LHSs nanowire arrays with ZIF-67 to fabricate three-dimensional flower-like structures on a Ni-Fe foam support is presented.
Journal ArticleDOI
Interface-Synergistically Enhanced Acidic, Neutral, and Alkaline Hydrogen Evolution Reaction over Mo2C/MoO2 Heteronanorods
Mengzhao Liu,Yang Yang,Xuebin Luan,Xiaoping Dai,Xin Zhang,Jiaxi Yong,Hongyan Qiao,Huihui Zhao,Weiyu Song,Xingliang Huang +9 more
TL;DR: In this paper, a simple self-templated carbothermal reduction of polymolybdate-melamine precursor was used to synthesize Mo2C/MoO2-650 heteronanorod with a low overpotential (168, 290, and 204 mV) to achieve current density of 10 mA cm-2 in 0.5 M H2SO4, 0.1 M PBS, and 1.0 KOH.
Journal ArticleDOI
N-Doped amorphous MoSx for the hydrogen evolution reaction
TL;DR: N-doped amorphous MoSx possesses an overpotential of 143 mV at 10 mA cm-2 and a Tafel slope of 57 mV dec-1, much better than those of a-MoSx, and first-principles calculations suggested that a N dopant in basal plane S2- could improve the activity of unsaturated MoV active sites by bringing its hydrogen adsorption free energy closer to zero.
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Janus CoN/Co cocatalyst in porous N-doped carbon: toward enhanced catalytic activity for hydrogen evolution
TL;DR: In this paper, a Co/CoN Janus nanoparticles embedded in a porous nitrogen doped carbon composite catalyst was derived by the heat treatment of a Co2+ containing polymer in ammonia atmosphere.
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Porous Core–Shell CuCo2S4 Nanospheres as Anode Material for Enhanced Lithium-Ion Batteries
TL;DR: Porous core-shell CuCo2 S4 nanospheres that exhibit a large specific surface area, sufficient inner space, and a nanoporous shell were synthesized through a facile solvothermal method and show excellent Li storage performance when used as anode material for lithium-ion batteries.
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.