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In this work we present a simple pathway to obtain large single-crystal graphene on copper (Cu) foils with high growth rates using a commercially available cold-wall chemical vapour deposition (CVD) reactor. We show that graphene nucleation…

Graphene has attracted a lot of research interests due to its exotic properties and a wide spectrum of potential applications. Chemical vapor deposition (CVD) from gaseous hydrocarbon sources has shown great promises for large-scale…

We demonstrate rapid deterministic (seeded) growth of large single-crystals of graphene by chemical vapour deposition (CVD) utilising pre-patterned copper substrates with chromium nucleation sites. Arrays of graphene single-crystals as…

Materials Science · Physics 2016-11-04 Vaidotas Miseikis , Federica Bianco , Vittorio Pellegrini , Marco Romagnoli , Camilla Coletti

Steeping interest on graphene research in basic sciences and applications emphasizes the need for an economical means of synthesizing it. We report a method for the synthesis of graphene on commercially available stainless steel foils using…

Mesoscale and Nanoscale Physics · Physics 2011-09-22 Robin John , A Ashokreddy , C Vijayan , T Pradeep

A single-layer graphene is synthesized on Cu foil in the absence of H2 flow by plasma enhanced chemical vapor deposition (PECVD). In lieu of an explicit H2 flow, hydrogen species are produced during methane decomposition process into their…

The strong interest in graphene has motivated the scalable production of high quality graphene and graphene devices. Since large-scale graphene films synthesized to date are typically polycrystalline, it is important to characterize and…

We report on a new method for graphene synthesis and assessment of the properties of the resulting large-area graphene layers. Graphene was produced by the high pressure - high temperature growth from the natural graphitic source by…

Materials Science · Physics 2008-05-03 F. Parvizi , D. Teweldebrhan , S. Ghosh , I. Calizo , A. A. Balandin , H. Zhu , R. Abbaschian

We demonstrate a method for synthesizing large scale single layer graphene by thermal annealing of ruthenium single crystal containing carbon. Low energy electron diffraction indicates the graphene grows to as large as millimeter dimensions…

Materials Science · Physics 2007-09-19 Y. Pan , N. Jiang , J. T. Sun , D. X. Shi , S. X. Du , Feng Liu , H. -J. Gao

In this work we demonstrate the synthesis of millimetre-sized single-crystals of graphene, achievable in a commercially-available cold-wall CVD reactor, and several different approaches to transfer it from the growth substrate to a target…

Materials Science · Physics 2017-11-15 Vaidotas Miseikis , Shaohua Xiang , Stefano Roddaro , Stefan Heun , Camilla Coletti

We report that graphene films with thickness ranging from 1 to 7 layers can be controllably synthesized on the surface of polycrystalline copper by a chemical vapour deposition method. The number of layers of graphene is controlled…

The fundamental properties of graphene are making it an attractive material for a wide variety of applications. Various techniques have been developed to produce graphene and recently we discovered the synthesis of large area graphene by…

A foundation of the modern technology that uses single-crystal silicon has been the growth of high-quality single-crystal Si ingots with diameters up to 12 inches or larger. For many applications of graphene, large-area high-quality…

We propose an innovative, easy-to-implement approach to synthesize large-area singlecrystalline graphene sheets by chemical vapor deposition on copper foil. This method doubly takes advantage of residual oxygen present in the gas phase.…

Graphene growth by chemical vapor deposition has received a lot of attention recently owing to the ease with which large area films can be grown, but growth of large domain or equivalently large grain size has not been reported yet. In this…

Materials Science · Physics 2010-10-20 Xuesong Li , Carl W. Magnuson , Archana Venugopal , Eric M. Vogel , Rodney S. Ruoff , Luigi Colombo

The development of wafer-scale continuous single-crystal graphene layers is key in view of its prospective applications. To this end, here we pave the way for a graphene growth model in the framework of the Langmuir adsorption theory and…

Materials Science · Physics 2013-05-14 HoKwon Kim , Eduardo Saiz , Manish Chhowalla , Cecilia Mattevi

Graphene has been attracting great interest because of its distinctive band structure and physical properties. Today, graphene is limited to small sizes because it is produced mostly by exfoliating graphite. We grew large-area graphene…

The discovery of graphene, a single layer of covalently bonded carbon atoms, has attracted intense interests. Initial studies using mechanically exfoliated graphene unveiled its remarkable electronic, mechanical and thermal properties.…

Materials Science · Physics 2013-07-23 Ting Fung Chung , Tian Shen , Helin Cao , Luis A. Jauregui , Wei Wu , Qingkai Yu , David Newell , Yong P. Chen

Graphene, a single atomic layer of graphitic carbon, has attracted intense attention due to its extraordinary properties that make it a suitable material for a wide range of technological applications. Large-area graphene films, which are…

Mesoscale and Nanoscale Physics · Physics 2015-02-18 Oleg V. Yazyev , Yong P. Chen

We have demonstrated a new method for the large-area graphene growth, which can lead to a scalable low-cost high-throughput production technology. The method is based on growing single-layer or few-layer graphene films from a molten phase.…

Materials Science · Physics 2010-11-19 Shaahin Amini , Javier Garay , Guanxiong Liu , Alexander A. Balandin , Reza Abbaschian

By limiting the carbon segregation at the copper surface defects, a pulsed chemical vapor deposition method for single layer graphene growth is shown to inhibit the formation of few-layer regions, leading to a fully single-layered graphene…

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