Applications of graphene oxide and reduced graphene oxide. The world of materials research is currently engulfed by research focusing on the mass production, characterization and realworld applications of ultrathin carbon films. Deloitte predicts the total value of the graphene materials market in 2016 is likely to be in the low tens of millions of dollars, which is less than an hours projected revenues from smartphone sales. Any queries rvs technical campuscoimbatore it stores large amount of electrical energy in small volume if car uses graphene battery requires 30 sec to charge the battery and a smart phone can be charged in 5sec standard supercapacitor bio medical field efficient bio electric. We created the polypropylene ppexfoliated graphene nanocomposites via meltblending by first coating graphene sheets with pp latex. Baixar office 2010 3264 bits completo ptbr via torrent.
Fabrication of exfoliated graphenebased polypropylene. Graphene can selfrepair holes in its sheets, when exposed to molecules containing carbon, such as hydrocarbons. Scribd is the worlds largest social reading and publishing site. Grafoid brings expertise in graphene and provides solutions for success. High charge carrier mobility, for which values of 10,000 cm2vs, in some cases even 200,000 cm2vs were. It can best be envisioned as a oneatom thick layer of graphite. Graphene oxide go, product numbers 763705 and 777676 is a unique material that can be viewed as a single monomolecular layer of graphite with various oxygen containing functionalities such as epoxide, carbonyl, carboxyl and hydroxyl groups. Simulating graphenebased photonic and optoelectronic. The material is highly conductive, extremely strong, and is almost transparent. Interesting ppt presentation on graphene which is a oneatomthick layer of graphite. Graphene from fundamentalfrom fundamental to future. If you continue browsing the site, you agree to the use of cookies on this website.
This means graphene could be useful in applications such as hygiene products or packaging that will help keep food fresh for longer periods of time. Research groups across the globe are currently devoting significant attention to graphene in the hope of discovering an application worthy of the high street. Download s premium and costeffective graphene powerpoint presentation templates now for your upcoming powerpoint presentations. The graphene layer affects the properties of the waves passing through the material, while the insulating layer serves to create a nonconductive space between the. Graphene nanophotonics, besnasque, spain, march 05 20. Vittorio pellegrini graphene for energy applications. Graphene has been experimentally studied for over 40 years, 814 and measurements of transport properties in micromechanically exfoliated layers, 15 of graphene grown on sic, 16 largearea graphene grown on copper cu substrates, 17 as well as a variety of studies involving the use of chemically modi. Nanocomposites a lot of research works have been reported on graphene or rgo andor go mixed with acrylic resins fabbri, 2012, polymernanocomposites potts. Graphene materials and their use in dyesensitized solar cells joseph d.
Apr 15, 2014 graphene is chemically the most reactive form of carbon. Download our professionally designed graphene powerpoint template background slides design with graphs, charts and diagrams for your professional graphene ppt presentation. Graphene holds the potential to bring about a new era in materials. The nobel prize was awarded for groundbreaking experiments in 2010 graphene holds the potential to bring about a new era in materials the addition of graphene achieves a number of enhanced properties. In graphene, the density is usually sharer equally between a and b sublattice.
Graphene materials and their use in dyesensitized solar cells. Graphene is the basic structural element of other allotropes, including graphite, charcoal, carbon. The discovery of graphene has led to a deluge of international research interest, and this new material in the field of materials science and condensedmatter physics has revealed a cornucopia of new physics and potential applications. Introduction graphene can be described as a one atom thick layer of graphite. With xmlbased file formats, presentations are smaller, more robust, and require less storage. Students work in teams to test graphene using a simple circuit set up and consider how this remarkable material is impacting many industries. Large sheets of graphene film produced for transparent. Sub ppt gas detection with pristine graphene gugang chen, tereza m. The nobel prize was awarded for groundbreaking experiments in 2010.
Therefore, the european union is promoting research of graphenebased substitutes by through the fet flagship project future and emergent technologies with an investment of 1 billion euros between 2010 and 2020. Dynamic effectslike smartarttell your story in pictures with artful transitions that grab the audiences attention. The graphenebased thz devices proposed and developed by the group so far consist of a layer of graphene and another twodimensional layer of electrons separated by a thin insulator. Hojatitalemi, 2010, with solvothermal method tran, 20. Graphene is chemically the most reactive form of carbon.
Download microsoft powerpoint 2010 microsoft office. As graphene is a material with reduced dimensionality and chemically or electrically tunable optical dispersion plasmonic properties specific methods are necessary. University of hyogo chemical modification of graphene oxide. If you would like to try the application, you must apply for a trial product key. Graphene synthesis, characterization, properties and applications. Ppt graphene powerpoint presentation, free download id. P olymershavebeencombined withotherplasticstoform blends,mixedwithtalcand claytogivefilledsystems,and extrudedandmoldedwithfibersand otheranisotropicreinforcementsto.
It is a zerooverlap semimetal with both holes and electrons as charge carriers with very high electrical conductivity. Graphene one atom thick are a hundred times more chemically reactive than thicker sheets. Vittorio pellegrini graphene for energy applications laurea degree summa cum laude in physics from the university of pisa, in 1992 and the phd in physics from scuola normale superiore of pisa, in 1997 director of research at the istituto nanoscienze of the italian national research council cnr. The power of graphene lesson explores graphene and its electrical properties and applications at the nano scale. Carbon in two dimensions cambridge university press 2012. Jul 27, 2014 interesting ppt presentation on graphene which is a oneatomthick layer of graphite. Microsoft powerpoint 2010 free trial gives you more ways to create and share dynamic presentations with your audience than ever before. Trends andfrontiers in graphenebasedpolymer nanocomposites. Graphene ppt powerpoint presentation carbon nanotubes. Graphenes many superior properties justify its nickname of a miracle material.
Subppt gas detection with pristine graphene gugang chen, tereza m. Structural and mechanical properties of graphene reinforced. Graphene has a combination of tensile, electrical, thermal, and optical properties. The graphene based thz devices proposed and developed by the group so far consist of a layer of graphene and another twodimensional layer of electrons separated by a thin insulator. Doping nanoparticles doping nanoparticles onto graphene or go has been done for the following works brenner, 2012. Graphene is composed of a single layer of carbon atoms in a honeycombshaped lattice. Microsofts powerpoint 2010 free trial rings a number of changes. This affordable and easy to customize graphene professional powerpoint template lets you edit text and graphs to present your thoughts or ideas in the upcoming graphene professional powerpoint.
Graphene oxidation graphene oxidation is used to create a single layer graphene sheet. Graphene is now fully compatible with gutenberg 1 year ago graphene plus now features custom page layout builder 2 years ago graphene 2. Some substrates can break this symmetry, though note the index in addition to pseudospin, there is another degree of freedom. Graphene is the strongest, thinnest material known to exist. Reduction of go with laser irradiation trusovas, 20, rgo from graphite oxide under ultraviolet irradiation ji, 20, ultraviolet laser. Graphene is the basic structural element of other allotropes, including graphite, charcoal, carbon nanotubes. Ppt graphene oxidation powerpoint presentation free to. Nobel prize and connection with antwerp on 5 october 2010 geim and novoselov was awarded the 2010 nobel prize in physics jointly with novoselov. Graphene layers produced oxidation experimental procedure sample oxidized at. Wafer scale graphene transfer kim et al nature 2010 mechanical peeling off in water support graphene nior cusio 2 ni or cu sio 2 rapid etching with fecl 3 aq graphene on polymer support graphene on arbitrary substrate transfer patterning patterned graphene on ni patterned graphene on arbtirary substrate postpatterning prepatterning.
Jun 21, 2010 graphene is composed of a single layer of carbon atoms in a honeycombshaped lattice. Comes in focus in 2010 when for the groundbreaking experiments regarding two. We propose a new method of layerbylayer lbl doping of thin graphene films. Graphene powerpoint ppt template powerpoint backgrounds. Graphene synthesis, characterization, properties and. Anti bacterial in 2010, the chinese academy of sciences has found that sheets of graphene oxide are highly effective at killing bacteria such as escherichia coli. Electronic structure from dft calculations phys rev b 77, 035427 2008 phys rev b 82, 245412 2010. Wafer scale graphene transfer kim et al nature 2010 mechanical peeling off in water supportgraphene nior cusio 2 ni or cu sio 2 rapid etching with fecl 3 aq graphene on polymer support graphene on arbitrary substrate transfer patterning patterned graphene on ni patterned graphene on arbtirary substrate postpatterning prepatterning. However, some of these characteristics have been achieved only for the highestquality samples mechanically exfoliated graphene14 and for graphene deposited on special substrates like hexagonal boron nitride3,15. Graphene from fundamentalfrom fundamental to future applications. The material is highly conductive, extremely strong, and.
Large area monolayer graphene was synthesized on cu foil by using the chemical vapor deposition method. Layerbylayer doping of fewlayer graphene film acs nano. The discovery of graphene and other twodimensional 2d materials together with recent advances in exfoliation techniques have set the foundations for the manufacturing of single layered sheets. Teams evaluate their test results, develop new theoretical applications for graphene. So it has electron transfer is 200 times faster than silicon. Graphene is a highly crystalline film of hybridized carbon atoms. Graphene powerpoint templates w graphenethemed backgrounds. Geim and novoselov received several awards for their pioneering research on graphene, notably the 2010 nobel prize in physics. University of hyogo chemical modification of graphene oxide yoshiaki matsuo department of materials science and chemistry, university of hyogo 2167 shosha, himeji, hyogo 6712201, japan email. Defect density number of layers and stacking order. Anti bacterial in 2010, the chinese academy of sciences has found that sheets of graphene oxide are highly effective at killing bacteria such as. The graphene on the reverse side not covered by pmma of cu was removed by plasma etching.
The addition of graphene achieves a number of enhanced properties. Pdf this presentation focuses on the properties of graphene and its multiple applications. Best powerpoint templates download your favorites today. Graphene is the strongest material in the world and have many super features in electronics, power, nanotechnology, mechanics, safety and more so it enter in a lot of fields and everyday graphene uses grow for give manufacturing material more strong and great feature. An overview of the material, devices, and applications by yaw obeng and purushothaman srinivasan novoselov, and coworkers were among the first to successfully obtain the elusive freestanding graphene films,4 which was a remarkable achievement.
Thermal reduction methods in combination with ultrasonic or laser irradiation go can be reduced by microwaves in combination with thermal reduction chen, 2010. Cvd graphene films are the building block for numerous graphene based electronic and photonic devices. Carbon atoms are densely packed in a regular hexagonal sp2 bonded structure. Change the appearance of your slides with just one click. Ora, con ms office 2010 e possibile lavorare con i soliti formati come doc, docx, ppt, pptx, xls o xlsx ed e anche possibile utilizzare formati diversi come pdf, odt, odp o ods. Ppt graphene powerpoint presentation free to download. Each layer was transferred on a polyethylene terephthalate substrate followed by a saltsolution casting, where the whole process was repeated several times to get lbldoped thin layers. Simulating graphenebased photonic and optoelectronic devices.
Thermal conductivity of graphene was recently measured to be between 4. A team of scientists from manchester won the 2010 nobel prize for physics for isolating small amounts of graphene, by applying sticky tape to chunks of graphite and then peeling the layers off one by one, leaving a layer of graphene on the tape. A microsoft anunciou a versao 2010 do pacote office em portugues. Graphene and grapheneoxidebased materials for electrochemical energy systems heterogeneous catalysis by metal nanoparticles supported on graphene graphenes in supramolecular gels and in biological systems and many more. It is the basic structural element of other allotropes, including graphite, charcoal, carbon nanotubes and fullerenes. A free powerpoint ppt presentation displayed as a flash slide show on id. Bombarded with pure carbon atoms, the atoms perfectly align into hexagons, completely filling the holes.
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