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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Journal ArticleDOI
A Se-doped MoS2 nanosheet for improved hydrogen evolution reaction.
Xianpei Ren,Qiang Ma,Haibo Fan,Haibo Fan,Liuqing Pang,Yunxia Zhang,Yao Yao,Xiaodong Ren,Shengzhong Frank Liu,Shengzhong Frank Liu +9 more
TL;DR: Thanks to the increase in the number of active sites and enhanced conductivity, the Se-doped MoS2 shows excellent catalytic activity with a lower overpotential and smaller Tafel slope, exhibiting enhanced catalytic performance compared with that of pristine MoS1.
Journal ArticleDOI
Nickel phosphide nanoparticles-nitrogen-doped graphene hybrid as an efficient catalyst for enhanced hydrogen evolution activity
TL;DR: In this article, a hybrid composed of Ni 2 P nanoparticles (NPs) on reduced graphene oxide (NRGO) is synthesized via an in situ thermal decomposition approach for the first time and investigated as a catalyst for the hydrogen evolution reaction (HER).
Journal ArticleDOI
Polyethylenimine promoted electrocatalytic reduction of CO2 to CO in aqueous medium by graphene-supported amorphous molybdenum sulphide
Fengwang Li,Shu-Feng Zhao,Shu-Feng Zhao,Lu Chen,Azam Khan,Azam Khan,Douglas R. MacFarlane,Jie Zhang +7 more
TL;DR: In this paper, the authors reported the synthesis of a cost-effective catalyst, i.e., amorphous molybdenum sulphide on a polyethylenimine modified reduced graphene oxide substrate, for electrocatalytically reducing CO2 into CO in CO2 saturated aqueous NaHCO3 medium with high efficiency and selectivity.
Journal ArticleDOI
Tailored Phase Transformation of CsPbI2Br Films by Copper(II) Bromide for High-Performance All-Inorganic Perovskite Solar Cells.
Kai-Li Wang,Kai-Li Wang,Rui Wang,Zhao-Kui Wang,Zhao-Kui Wang,Meng Li,Yue Zhang,Heng Ma,Liang-Sheng Liao,Yang Yang +9 more
TL;DR: A new strategy to mediate the CsPbI2Br crystallization by directly doping the copper (II) bromide (CuBr2) into a perovskite precursor is developed, resulting in a high quality all-inorganic perovSKite film with enlarged grain size, improved carrier nobilities and reduced trap states.
Journal ArticleDOI
MOF for template-directed growth of well-oriented nanowire hybrid arrays on carbon nanotube fibers for wearable electronics integrated with triboelectric nanogenerators
Jingxin Zhao,Jingxin Zhao,Huayang Li,Chaowei Li,Qichong Zhang,Juan Sun,Xiaona Wang,Jiabin Guo,Liyan Xie,Jixun Xie,Bing He,Zhenyu Zhou,Conghua Lu,Weibang Lu,Guang Zhu,Yagang Yao +15 more
TL;DR: In this article, a template-directed growth of hierarchical well-oriented nanowire arrays based on carbon nanotube fibers (CNTFs) for electrochemical supercapacitors was developed.
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.