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This work reports the peculiar properties of a graphene film prepared by the chemical vapor deposition (CVD) of ethylene in high vacuum on a well oriented and carefully cleaned Pt(111) crystal surface maintained at high temperature. In-situ…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 E. Cazzanelli , T. Caruso , M. Castriota , A. R. Marino , A. Politano , G. Chiarello , M. Giarola , G. Mariotto

We demonstrate a novel in situ polymerization technique to develop localized polymer coatings on the surface of dispersed pristine graphene sheets. Graphene sheets show great promise as strong, conductive fillers in polymer nanocomposites;…

Soft Condensed Matter · Physics 2011-04-29 Sriya Das , Ahmed S. Wajid , John L. Shelburne , Yen-Chi Liao , Micah J. Green

Here we demonstrate the selective bulk scale synthesis of delaminated graphene sheets by a proper choice of magnetic field modulating an electric-arc. An ultra-high purity glassy graphite anode was sublimated in an argon atmosphere. Carbon…

Nickel-doped graphene has been synthesized from propylene on a Ni(111) surface and studied using scanning tunneling microscopy (STM) and density functional theory (DFT). It is established that nickel centers are formed during graphene…

Materials Science · Physics 2020-12-02 S. L. Kovalenko , T. V. Pavlova , B. V. Andryushechkin , G. M. Zhidomirov , K. N. Eltsov

The industrial realization of graphene has so far been limited by challenges related to the quality, reproducibility, and high process temperatures required to manufacture graphene on suitable substrates. We demonstrate that epitaxial…

We demonstrate the direct dry transfer of large area Chemical Vapor Deposition graphene to several polymers (low density polyethylene, high density polyethylene, polystyrene, polylactide acid and…

We systematically investigate the chemical vapor deposition growth of graphene on Ge(110) as a function of the deposition temperature close to the Ge melting point. By merging spectroscopic and morphological information, we find that the…

Mesoscale and Nanoscale Physics · Physics 2019-09-17 L. Persichetti , M. De Seta , A. M. Scaparro , V. Miseikis , A. Notargiacomo , A. Ruocco , A. Sgarlata , M. Fanfoni , F. Fabbri , C. Coletti , L. Di Gaspare

In order to make graphene technologically viable, the transfer of graphene films to substrates appropriate for specific applications is required. We demonstrate the dry transfer of epitaxial graphene (EG) from the C-face of 4H-SiC onto…

Graphene has recently attracted much interest as a material for flexible, transparent electrodes or active layers in electronic and photonic devices. However, realization of such graphene-based devices is limited due to difficulties in…

Materials Science · Physics 2015-07-21 Sugkyun Cha , Minjeong Cha , Seojun Lee , Jin Hyoun Kang , Changsoon Kim

Linear chains of about 10-13 carbon atoms were predicted to be the most favorable phase on different metal surfaces prior to graphene nucleation. However, unlike the graphene that widely studied both theoretically and experimentally, carbon…

Mesoscale and Nanoscale Physics · Physics 2017-12-15 T. V. Pavlova , S. L. Kovalenko , K. N. Eltsov

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

This study reports the successful synthesis of multilayered graphene sheets via microwave atmospheric pressure plasma. This innovative approach streamlines and expedites graphene production and other carbon nanostructures, eliminating the…

Plasma Physics · Physics 2024-03-07 Waqas Iqbal , Najeeb-ur-Rehman , Niaz Wali

In this study, we employ a multi-scale computational modeling approach, combining density functional theory (DFT) and self-consistent charge density functional tight binding (SCC-DFTB), to investigate hydrogen (H2) production and…

Materials Science · Physics 2025-10-21 A. Aligayev , U. Jabbarli , U. Samadova , F. J. Dominguez-Gutierrez , S. Papanikolaou , Qing Huang

The current method of growing large-area graphene on Cu surfaces (polycrystalline foils and thin films) and its transfer to arbitrary substrates is technologically attractive. However, the quality of graphene can be improved significantly…

Materials Science · Physics 2011-03-21 Kongara M. Reddy , Andrew D. Gledhill , Chun-Hu Chen , Julie M. Drexler , Nitin P. Padture

We developed means to produce wafer scale, high-quality graphene films as large as 3 inch wafer size on Ni and Cu films under ambient-pressure and transfer them onto arbitrary substrates through instantaneous etching of metal layers. We…

We have demonstrated a method to disperse and exfoliate graphite to give graphene suspended in water-surfactant solutions. Optical characterisation of these suspensions allowed the partial optimisation of the dispersion process.…

Materials Science · Physics 2008-09-17 Y Hernandez , M Lotya , V Nicolosi , FM Blighe , S De , G Duesberg , JN Coleman

We synthesized three-dimensional nanoporous graphene films by a chemical vapor deposition method with nanoporous copper as a catalytic substrate. The resulting nanoporous graphene has the same average pore size as the underlying copper…

Materials Science · Physics 2015-04-20 Zhiqiang Tu , Shangfei Wu , Fan Yang , Yongfeng Li , Liqiang Zhang , Hongwen Liu , Hong Ding , Pierre Richard

The formation of graphene on the (0001) surface of SiC (the Si-face) is studied by atomic force microscopy, low-energy electron microscopy, and scanning tunneling microscopy/spectroscopy. The graphene forms due to preferential sublimation…

Materials Science · Physics 2023-05-03 Luxmi , N. Srivastava , R. M. Feenstra , P. J. Fisher

The transfer-free synthesis of high-quality, large-area graphene on a given dielectric substrate, which is highly desirable for device applications, remains a significant challenge. In this paper, we report on a simple rapid thermal…

We produce multilayer graphene by the Chemical Vapor Deposition (CVD) method at atmospheric pressure and 1000 {\deg}C, using flexible copper substrates as catalyst and liquid hexane as the source of carbon. We designed an optical device to…

Mesoscale and Nanoscale Physics · Physics 2012-03-01 C. Bautista , D. Mendoza