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GRAPHEN
E“The future in a trace of a pencil.”
MD ZEESHAN
INTRODUCTION
• GRAPHENE CAN BE DESCRIBED AS A ONE-ATOM
THICK LAYER OF GRAPHITE.
• IT IS THE BASIC STRUCTURAL ELEMENT OF OTHER
ALLOTROPES, INCLUDING GRAPHITE, CHARCOAL,
CARBON NANOTUBES AND FULLERENES.
• GRAPHENE IS THE STRONGEST, THINNEST
MATERIAL KNOWN TO EXIST.
• GRAPHENE IS A 2D CRYSTAL OF
CARBONS ATOM, ARRANGED IN A
HONEYCOMB LATTICE.
• THE CORBON-CARBON BOND IS
COVALENT.
HISTORY
• One of the first patents pertaining to the production of
graphene was filed in October, 2002 entitled ,”Nano-
scaled Graphene plates”.
• 2 year later, in 2004 Andre Geim & Kostya Novoselov
at Univ. Of Manchester extracted single-atom-thick
graphene from bulk graphite.
• Geim & Novoselov received Nobel prize in Physics for
their pioneering research on Graphene.
PROPERTIES OF GRAPHENE
Graphene: the world's first 2D material. Since graphene's
isolation in 2004 it has captured the attention of scientists,
researchers and industry worldwide.
• It is ultra-light yet extremely tough.
• It is 200 times stronger than steel.
• It is incredibly flexible.
• It is the thinnest material possible
• It is transparent.
• It is a superb conductor of electricity as well as heat.
• Can act as a perfect barrier - not even helium can pass
through it.
TYPES OF GRAPHENE
• Mono Layered Graphene- Monolayer (single-layer) graphene is
the purest from available and is useful for high-frequency
electronics.
• Few Layered Graphene(FLG)or Multi Layered Graphene(MLG)-
A 2D, sheet-like material, either as a free-standing flake or
substrate-bound coating, consisting of a small number (between
two and about 10) of well-defined, countable, stacked graphene
layers of extended lateral dimension.
• Graphene Oxide(GO)- Graphene oxide is a monolayer material
with a high oxygen content. Thin membranes that allow water to
pass through but block off harmful gases are a major use for GO.
• Reduced Graphene Oxide(rGO)- Graphene oxide (as
above) that has been reductively processed by
chemical, thermal, microwave, photo-chemical, photo-
thermal or microbial/bacterial methods to reduce its
oxygen content. Conductive inks are just one potential
use for rGO
GRAPHENE’S
APPLICATION
ELECTRONICS
• Wearable Technology
• Graphene Transistors
• Graphene Semiconductors
• Heat sinks to cool down electronic
components
SENSORS
• Ultra-Fast GRAPHENE photonics
• Corp protection
• Reducing food wastage
• Defence
• Bacteria Detectors
Bacteria detection sensor made from
GRAPHENE
BIO-MEDICAL
• Drug Delivery Agents
• Enhanced biomaterial capable of
regenerating tissues
• Tissue Engg.
• Graphene Medical Device
GRAPHENE based retina prosthesis
ENERGY
• Graphene Batteries
• Graphene super-capacitors
• Storing wind and solar power
• Graphene based composite material
• Rust free future
• Sport industries
• Weatherproofing and Packaging
• Aircraft industries
• Membranes
COMPOSITE AND COATING
PRODUCING GRAPHENE
• CVD PROCESS
• MECH. EXFOLIATION OF GRAPHENE
• LIQUID EXFOLIATION OF GRAPHENE
• ELECLTROCHEMICAL EXFOLIATION
CONCLUSIONClean drinking water for millions. Graphene
membranes could see huge progress in water
purification technology in developing countries and
provide more efficient desalination plants.
Electronics and energy storage could also be
revolutionised by graphene. Flexible, durable, semi-
transparent mobile phones. Wearable technology,
clothing that communicates. Electric sports cars.
Lightweight planes. These are the future technologies
which are becoming realistic in our present.

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Graphene: "The future in a trace of a pencil."

  • 1. GRAPHEN E“The future in a trace of a pencil.” MD ZEESHAN
  • 2. INTRODUCTION • GRAPHENE CAN BE DESCRIBED AS A ONE-ATOM THICK LAYER OF GRAPHITE. • IT IS THE BASIC STRUCTURAL ELEMENT OF OTHER ALLOTROPES, INCLUDING GRAPHITE, CHARCOAL, CARBON NANOTUBES AND FULLERENES. • GRAPHENE IS THE STRONGEST, THINNEST MATERIAL KNOWN TO EXIST.
  • 3. • GRAPHENE IS A 2D CRYSTAL OF CARBONS ATOM, ARRANGED IN A HONEYCOMB LATTICE. • THE CORBON-CARBON BOND IS COVALENT.
  • 4. HISTORY • One of the first patents pertaining to the production of graphene was filed in October, 2002 entitled ,”Nano- scaled Graphene plates”. • 2 year later, in 2004 Andre Geim & Kostya Novoselov at Univ. Of Manchester extracted single-atom-thick graphene from bulk graphite. • Geim & Novoselov received Nobel prize in Physics for their pioneering research on Graphene.
  • 5. PROPERTIES OF GRAPHENE Graphene: the world's first 2D material. Since graphene's isolation in 2004 it has captured the attention of scientists, researchers and industry worldwide. • It is ultra-light yet extremely tough. • It is 200 times stronger than steel. • It is incredibly flexible. • It is the thinnest material possible • It is transparent. • It is a superb conductor of electricity as well as heat. • Can act as a perfect barrier - not even helium can pass through it.
  • 6.
  • 7. TYPES OF GRAPHENE • Mono Layered Graphene- Monolayer (single-layer) graphene is the purest from available and is useful for high-frequency electronics. • Few Layered Graphene(FLG)or Multi Layered Graphene(MLG)- A 2D, sheet-like material, either as a free-standing flake or substrate-bound coating, consisting of a small number (between two and about 10) of well-defined, countable, stacked graphene layers of extended lateral dimension. • Graphene Oxide(GO)- Graphene oxide is a monolayer material with a high oxygen content. Thin membranes that allow water to pass through but block off harmful gases are a major use for GO.
  • 8. • Reduced Graphene Oxide(rGO)- Graphene oxide (as above) that has been reductively processed by chemical, thermal, microwave, photo-chemical, photo- thermal or microbial/bacterial methods to reduce its oxygen content. Conductive inks are just one potential use for rGO
  • 10. ELECTRONICS • Wearable Technology • Graphene Transistors • Graphene Semiconductors • Heat sinks to cool down electronic components
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  • 12. SENSORS • Ultra-Fast GRAPHENE photonics • Corp protection • Reducing food wastage • Defence • Bacteria Detectors
  • 13. Bacteria detection sensor made from GRAPHENE
  • 14. BIO-MEDICAL • Drug Delivery Agents • Enhanced biomaterial capable of regenerating tissues • Tissue Engg. • Graphene Medical Device
  • 15. GRAPHENE based retina prosthesis
  • 16. ENERGY • Graphene Batteries • Graphene super-capacitors • Storing wind and solar power
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  • 18. • Graphene based composite material • Rust free future • Sport industries • Weatherproofing and Packaging • Aircraft industries • Membranes COMPOSITE AND COATING
  • 19. PRODUCING GRAPHENE • CVD PROCESS • MECH. EXFOLIATION OF GRAPHENE • LIQUID EXFOLIATION OF GRAPHENE • ELECLTROCHEMICAL EXFOLIATION
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  • 21. CONCLUSIONClean drinking water for millions. Graphene membranes could see huge progress in water purification technology in developing countries and provide more efficient desalination plants. Electronics and energy storage could also be revolutionised by graphene. Flexible, durable, semi- transparent mobile phones. Wearable technology, clothing that communicates. Electric sports cars. Lightweight planes. These are the future technologies which are becoming realistic in our present.