Journal ArticleDOI
Electrochemical generation of hydrogenated graphene flakes
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TLDR
In this paper, a cathodic electrochemical method for the exfoliation of graphite to produce hydrogenated graphenic flakes is introduced, and the resulting solutions consist of micrometer-sized and predominantly 1-4 layers of hydrogenated graphite flakes.About:
This article is published in Carbon.The article was published on 2015-03-01. It has received 50 citations till now. The article focuses on the topics: Exfoliation joint & Graphene.read more
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Graphene nanosheet- and flake carbonyl iron particle-filled epoxy–silicone composites as thin–thickness and wide-bandwidth microwave absorber
TL;DR: In this paper, an epoxy-silicone matrix filled with both graphene nanosheets (GNs) and flake carbonyl iron (FCI) particles was prepared, and the influence of GNs and/or FCI particle content on the electromagnetic and microwave absorbing properties was investigated in the frequency range of 2-18 GHz.
Journal ArticleDOI
Scalable exfoliation and dispersion of two-dimensional materials - an update.
TL;DR: It is concluded that the greatest promise for high volume and high concentration processing lies in applying methods that have not yet been extensively reported, particularly wet comminution processing using small grinding media of various types.
Journal ArticleDOI
Hydrogen Evolution Reaction on Hybrid Catalysts of Vertical MoS2 Nanosheets and Hydrogenated Graphene
Xiuxiu Han,Xili Tong,Xingchen Liu,Ai Chen,Xiaodong Wen,Nianjun Yang,Nianjun Yang,Xiang-Yun Guo +7 more
TL;DR: In this article, 2D hydrogenated graphene (HG) is introduced into MoS2 ultrathin nanosheets for the construction of a highly efficient and stable catalyst for hydrogen evolution (HER) in acids.
Journal ArticleDOI
Electrolytic exfoliation of graphite in water with multifunctional electrolytes: en route towards high quality, oxide-free graphene flakes
José M. Munuera,Juan I. Paredes,Silvia Villar-Rodil,M. Ayán-Varela,Amelia Martínez-Alonso,Juan M.D. Tascón +5 more
TL;DR: High quality materials were used for the preparation of catalytically efficient graphene-Pt nanoparticle hybrids, as demonstrated by model reactions (reduction of nitroarenes).
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High quality, low oxygen content and biocompatible graphene nanosheets obtained by anodic exfoliation of different graphite types
José M. Munuera,Juan I. Paredes,Silvia Villar-Rodil,M. Ayán-Varela,Ana Pagán,Salvador D. Aznar-Cervantes,José Luis Cenis,Amelia Martínez-Alonso,Juan M.D. Tascón +8 more
TL;DR: In this paper, the authors investigated highly oriented pyrolytic graphite (HOPG) as well as graphite foil, flakes and powder as electrode in the anodic process.
References
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Journal ArticleDOI
Raman spectrum of graphene and graphene layers.
Andrea C. Ferrari,Jannik C. Meyer,Vittorio Scardaci,Cinzia Casiraghi,Michele Lazzeri,Francesco Mauri,S. Piscanec,Da Jiang,K. S. Novoselov,S. Roth,A. K. Geim +10 more
TL;DR: This work shows that graphene's electronic structure is captured in its Raman spectrum that clearly evolves with the number of layers, and allows unambiguous, high-throughput, nondestructive identification of graphene layers, which is critically lacking in this emerging research area.
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Interpretation of Raman spectra of disordered and amorphous carbon
Andrea C. Ferrari,John Robertson +1 more
TL;DR: In this paper, a model and theoretical understanding of the Raman spectra in disordered and amorphous carbon is given, and the nature of the G and D vibration modes in graphite is analyzed in terms of the resonant excitation of \ensuremath{\pi} states and the long-range polarizability of the long range bonding.
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Graphene: Status and Prospects
TL;DR: This review analyzes recent trends in graphene research and applications, and attempts to identify future directions in which the field is likely to develop.
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High-yield production of graphene by liquid-phase exfoliation of graphite
Yenny Hernandez,Valeria Nicolosi,Mustafa Lotya,Fiona M. Blighe,Zhenyu Sun,Sukanta De,I.T. McGovern,Brendan Holland,Michele T. Byrne,Yurii K. Gun'ko,John J. Boland,Peter Niraj,Georg S. Duesberg,Satheesh Krishnamurthy,Robbie Goodhue,John L. Hutchison,Vittorio Scardaci,Andrea C. Ferrari,Jonathan N. Coleman +18 more
TL;DR: Graphene dispersions with concentrations up to approximately 0.01 mg ml(-1), produced by dispersion and exfoliation of graphite in organic solvents such as N-methyl-pyrrolidone are demonstrated.
Journal ArticleDOI
Thermal properties of graphene and nanostructured carbon materials
TL;DR: The thermal properties of carbon materials are reviewed, focusing on recent results for graphene, carbon nanotubes and nanostructured carbon materials with different degrees of disorder, with special attention given to the unusual size dependence of heat conduction in two-dimensional crystals.