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Nano2

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Nano2

  1. 8. Electrodeposition
  2. 12. Pulsed LASER deposition
  3. 26. Carbon Nano tubes
  4. 27. Introduction <ul><li>CNT is a tubular form of carbon with diameter as small as 1nm. </li></ul><ul><li>Length: few nm to microns. </li></ul><ul><li>CNT is configurationally equivalent to a two dimensional graphene </li></ul><ul><li>sheet rolled into a tube. </li></ul>
  5. 29. Structure Armchair (n,m) = (5,5)  = 30  Zig Zag (n,m) = (9,0)  = 0  Chiral (n,m) = (10,5) 0  <  < 30 
  6. 31. Graphite Diamond Fullerenes
  7. 33. Synthesis <ul><li>Arc evaporation method ( Plasma arcing ) </li></ul><ul><li>Pulsed LASER deposition </li></ul><ul><li>Chemical vapor deposition (CVD) </li></ul>
  8. 34. Arc evaporation method ( Plasma arcing )
  9. 35. Pulsed LASER deposition
  10. 36. Chemical vapor deposition (CVD)
  11. 38. Properties <ul><li>Physical </li></ul><ul><li>High Strength , High Resistance & thermal conductivity </li></ul><ul><li>Mechanical </li></ul><ul><li>withstand strain on tension, </li></ul><ul><li>recover structural distortion </li></ul><ul><li>Electrical </li></ul><ul><li> metals or semi condutors </li></ul>
  12. 39. Applications <ul><li>Energy storage </li></ul><ul><li>Hydrogen storage </li></ul><ul><li>Electrochemical super capacitors </li></ul><ul><li>Field emitting devices </li></ul><ul><li>Transistors </li></ul><ul><li>Nano probes and Sensors </li></ul><ul><li>Composite materials </li></ul>

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