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Related papers: Structures of Fluorinated Graphenes and Their Sign…

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Heterostructures prepared from graphene and fluorographene (FG) using the technology of 2D printing on solid and flexible substrates were fabricated and studied. Excellent stability of printed graphene layers and, to a lesser degree,…

Different stoichiometric configurations of graphane and graphene fluoride are investigated within density functional theory. Their structural and electronic properties are compared, and we indicate the similarities and differences among the…

Materials Science · Physics 2011-11-23 O. Leenaerts , H. Peelaers , A. D. Hernandez-Nieves , B. Partoens , F. M. Peeters

One of the most desirable goals of graphene research is to produce ordered 2D chemical derivatives of suitable quality for monolayer device fabrication. Here we reveal, by focal series exit wave reconstruction, that C2F chair is a stable…

In this letter we study the electronic structures and optical properties of partially and fully fluorinated graphene by a combination of abinitio G0W0 calculations and large-scale multi-orbital tight-binding simulations. We find that for…

Mesoscale and Nanoscale Physics · Physics 2015-02-25 Shengjun Yuan , Malte Rosner , Alexander Schulz , Tim O. Wehling , Mikhail I. Katsnelson

We give the results of density functional calculations for graphene with a widely varying fluorine adsorptions. We give a systematic analysis of the adsorption energies, lattice constants, bulk modulus, bandgap openings, and magnetic…

Materials Science · Physics 2014-11-13 Chad E. Junkermeier , Stefan C. Badescu , Thomas L. Reinecke

A systematic study is conducted on the fluorination-enriched essential properties of 2D graphene and 1D graphene nanoribbons using the first-principles method. The combined effects, which arise from the significant chemical bonds in C-C,…

Materials Science · Physics 2017-12-21 Khanh Duy Nguyen , Thuy Ngoc Thanh Tran , Tien Thanh Nguyen , Yu-Huang Chiu , Ming-Fa Lin

Using ab initio methods we have investigated the fluorination of graphene and find that different stoichiometric phases can be formed without a nucleation barrier, with the complete "2D-Teflon" CF phase being thermodynamically most stable.…

Materials Science · Physics 2011-01-26 Morgana A. Ribas , Abhishek K. Singh , Pavel B. Sorokin , Boris I. Yakobson

We performed a first principles investigation on the structural and electronic properties of group-IV (C, SiC, Si, Ge, and Sn) graphene-like sheets in flat and buckled configurations and the respective hydrogenated or fluorinated…

Materials Science · Physics 2012-04-16 Joelson Cott Garcia , Denille B. de Lima , Lucy V. C. Assali , João F. Justo

We report a stoichiometric derivative of graphene with a fluorine atom attached to each carbon. Raman, optical, structural, micromechanical and transport studies show that the material is qualitatively different from the known…

The presence in the graphyne sheets of a variable amount of sp2/sp1 atoms, which can be transformed into sp3-like atoms by covalent binding with one or two fluorine atoms, respectively, allows one to assume the formation of fulorinated…

Materials Science · Physics 2015-06-11 A. N. Enyashin , A. L. Ivanovskii

DFT calculations of the electronic structure of graphane and stoichiometrically halogenated graphene derivatives (fluorographene and other analogous graphene halides) show (i) localized orbital basis sets can be successfully and effectively…

Materials Science · Physics 2012-09-20 František Karlický , Radek Zbořil , Michal Otyepka

In this paper we present a successful approach for the generation of partially fluorinated graphene structures. A computationally simple model optimized on a large DFT dataset quickly and precisely predicts experimentally observed…

The resistivity of different films and structures containing fluorinated graphene (FG) flakes and chemical vapor deposition (CVD) grown graphene of various fluorination degrees under tensile and compressive strains due to bending…

Materials Science · Physics 2022-04-28 I. V. Antonova , N. A. Nebogatikova , N. Zerrouki , I. I. Kurkina , A. I. Ivanov

\textit{Ab initio} calculations within the density functional theory formalism are performed to investigate the stability and electronic properties of fluorinated bilayer graphene (bilayer fluorographene). A comparison is made to previously…

Materials Science · Physics 2013-01-25 Jozef Sivek , Ortwin Leenaerts , Bart Partoens , Francois Peeters

Using first-principles calculations, we explore the possibility of functionalized graphene as high performance two-dimensional spintronics device. Graphene functionalized with O on one side and H on the other side in the chair conformation…

Materials Science · Physics 2010-12-14 Linze Li , Rui Qin , Hong Li , Lili Yu , Qihang Liu , Guangfu Luo , Jing Lu , Zhengxiang Gao

Within the framework of stochastic reactive molecular dynamics simulations we develop a statistical method for generating fluorinated graphene structures with desirable fluorine distribution. Electronic transport properties of fluorinated…

Based on the results of first-principles calculations we demonstrate that significant distortion of graphene sheets caused by adsorption of fluorine atoms leads to the formation of metastable patterns for which the next step of fluorination…

Materials Science · Physics 2016-05-25 Danil W. Boukhvalov

Carbon fibres (CF) represent a significant volume fraction of modern structural airframes. Embedded into polymer matrices, they provide significant strength and stiffness gains over unit weight as compared to other competing structural…

Atomically thin crystals have recently been the focus of attention in particular after the synthesis of graphene, a monolayer hexagonal crystal structure of carbon. In this novel material class the chemically derived graphenes have…

Materials Science · Physics 2015-02-23 H. Sahin , O. Leenaerts , S. K. Singh , F. M. Peeters

The feature-rich electronic and magnetic properties of fluorine-doped graphene nanoribbons are investigated by the first-principles calculations. They arise from the cooperative or competitive relations among the significant chemical bonds,…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 Duy Khanh Nguyen , Yu-Tsung Lin , Shih-Yang Lin , Yu-Huang Chiu , Ngoc Thanh Thuy Tran , Ming Fa-Lin
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