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New method for production of graphene referred to mit

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ravi bhivra
ravi bhivra

MIT researchers have developed a new method for producing graphene in large quantities using a concentric tube (CT) reactor for roll-to-roll chemical vapor deposition (CVD) on flexible substrates. Graphene is a single atomic layer of graphite that has amazing properties such as high electrical conductivity, mechanical strength, and optical abilities. Previous methods for producing graphene included reduction of graphite oxide and sugar and furnace methods, but yielded low quantities. The new MIT method allows for continuous production of graphene on copper foil through a CVD process and has applications in optics, filtration, composites, photovoltaics and energy storage.

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NEW METHOD FOR PRODUCTION OF GRAPHENE IN LARGE QUANTITY_ BY MIT 7740 RAVI BHIVRA 7741 ANIKET DEVDIGA 7742 STEVEN DSOUZA 7743 JOHNEY XAVIER
WHAT IS GRAPHENE ? Graphene is, basically, a single atomic layer of graphite; an abundant mineral which is an allotrope of carbon that is made up of very tightly bonded carbon atoms organized into a hexagonal lattice.
WHAT IS SO AMAZING ABOUT GRAPHENE ? Fundamental properties :- 2d compound material having thermal stability. Electronic properties :- zero-overlap semimetal with very high electrical conductivity. Mechanical strength :- graphene is the strongest material ever discovered, with an ultimate tensile strength of 130,000,000,000 Pascals (or 130 gigapascals). Optical properties :- Graphenes ability to absorb a rather large 2.3% of white light
THE METHODS BEFORE FOR PRODUCTION OF GRAPHENE Reduction of graphite oxide. Sugar method. Hesjedal and colleagues used a modified tube furnace for R2R production of multi-layer graphene. Yamada and colleagues presented a custom microwave plasma CVD system. Kobayashi and colleagues produced high quality, predominantly single-layer graphene on Cu foil. In 2010, Bae et al.produced uniform graphene films on 30"
AND THE METHOD NOW Department of Mechanical Engineering, University of Michigan MIT , presents the design of a concentric tube (CT) reactor for roll-to-roll chemical vapor deposition (CVD) on flexible substrates, and its application to continuous production of graphene on copper foil.
PRODUCTION OPERATION
APPLICATIONS OF GRAPHENE Optical Electronics Ultra filtration Composite Materials Photovoltaic Cells Bioengineering & Energy Storage.
IMPORTANT LINKS http://www.gizmag.com/mit-graphene-large- quantities/37635/ http://www.graphenea.com/pages/graphene- properties#.VfbNBhGqqkp http://www.nature.com/articles/srep10257 http://encyclopedia.che.engin.umich.edu/Pages/Reactors/CVD Reactors/CVDReactors.html http://news.mit.edu/2015/manufacture-continuous-rolls- graphene-0521
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New method for production of graphene referred to mit

  • 1. NEW METHOD FOR PRODUCTION OF GRAPHENE IN LARGE QUANTITY_ BY MIT 7740 RAVI BHIVRA 7741 ANIKET DEVDIGA 7742 STEVEN DSOUZA 7743 JOHNEY XAVIER
  • 2. WHAT IS GRAPHENE ? Graphene is, basically, a single atomic layer of graphite; an abundant mineral which is an allotrope of carbon that is made up of very tightly bonded carbon atoms organized into a hexagonal lattice.
  • 3. WHAT IS SO AMAZING ABOUT GRAPHENE ? Fundamental properties :- 2d compound material having thermal stability. Electronic properties :- zero-overlap semimetal with very high electrical conductivity. Mechanical strength :- graphene is the strongest material ever discovered, with an ultimate tensile strength of 130,000,000,000 Pascals (or 130 gigapascals). Optical properties :- Graphenes ability to absorb a rather large 2.3% of white light
  • 4. THE METHODS BEFORE FOR PRODUCTION OF GRAPHENE Reduction of graphite oxide. Sugar method. Hesjedal and colleagues used a modified tube furnace for R2R production of multi-layer graphene. Yamada and colleagues presented a custom microwave plasma CVD system. Kobayashi and colleagues produced high quality, predominantly single-layer graphene on Cu foil. In 2010, Bae et al.produced uniform graphene films on 30"
  • 5. AND THE METHOD NOW Department of Mechanical Engineering, University of Michigan MIT , presents the design of a concentric tube (CT) reactor for roll-to-roll chemical vapor deposition (CVD) on flexible substrates, and its application to continuous production of graphene on copper foil.
  • 7. APPLICATIONS OF GRAPHENE Optical Electronics Ultra filtration Composite Materials Photovoltaic Cells Bioengineering & Energy Storage.
  • 8. IMPORTANT LINKS http://www.gizmag.com/mit-graphene-large- quantities/37635/ http://www.graphenea.com/pages/graphene- properties#.VfbNBhGqqkp http://www.nature.com/articles/srep10257 http://encyclopedia.che.engin.umich.edu/Pages/Reactors/CVD Reactors/CVDReactors.html http://news.mit.edu/2015/manufacture-continuous-rolls- graphene-0521