Углеродный наномир: новые наноматериалы, от открытия...
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Transcript of Углеродный наномир: новые наноматериалы, от открытия...
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Yury Gogotsi!Director, A.J. Drexel Nanomaterials Institute!
Distinguished University Professor and Trustee Chair"!
Department of Materials Science & Engineering!Drexel University, Philadelphia, Pennsylvania, USA!
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RASA-USA Annual Meeting, Cambridge, MA, November 9, 2014
Drexel University: A Vibrant Urban University
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Bossone building (home to College of Engineering labs)
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Current Research Activities - Gogotsi Group
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Outline!
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0D Buckyballs 1D Nanotubes 3D Graphite
2D Graphene
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Graphene: Mother of All Graphitic Materials!!
Carbon Nanomaterials Timetable!
1985 – Kroto and Smalley: fullerenes from pulsed laser e v a p o r a t i o n o f graphite
1991 – Iijima: multi-wall nanotubes on electrodes during arc discharge
1993 – Iijima: synthesis of single-wall carbon nanotubes from soot of arc discharge with iron
2004 – Geim and Novoselov: show a unique electronic structure of a graphene sheet
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Carbon Nanohorns, Nanocones and Cones!
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5 nm
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Detonation Nanodiamonds!!
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Onion-Like Carbon!!
Structure of Porous Carbons!!
•! Quenched Molecular Dynamics (QMD) snapshots of the model structures of Ti-CDC. Surface termination has not been taken into account.
•! Hybrid Reverse Monte Carlo and QMD modeling performed using neutron scattering data (RDF) and verified by HRTEM:"
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Case Study: "Supercapacitor Electrodes!
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Affordable and efficient electrical energy storage is needed to enable widespread use of renewable energy sources and provide energy security for our future
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Electrochemical Storage of Energy!
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Applications of Supercapacitors!!
The Electrochemical Flow Capacitor
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Design of Interdigital Micro-supercapacitors "with OLC, CDC and CNT Electrodes !!
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The Future
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Graphene is important, but there are many other exciting and useful carbon (and not only carbon) nanomaterials !
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2D World Beyond Graphene
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Two-Dimensional Transition Metal Carbides, Oxycarbides and Carbonitrides – 13 synthesized (9 published), dozens more predicted"
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