1. Black in colour Bright in Nature By B.Gopal 05-08-4124L GRAPHENE

3. History and experimental Discovery

4. Preparative methods

5. Applications

6. Advantages and Limitations

7. Reference

8. QueriesOut line

10. Graphene is a one-atom-thick planar sheet.

11. The carbon-carbon bond length in graphene is about 0.142 nm.

12. 3million Graphene sheets would be only one millimeter thick of Graphite.Introduction

14. Theory of graphene was first explored by Philip R Wallace in 1947 as a starting point for understanding the electronic properties of more complex, 3D graphite.

15. Andre Geim and Kostya Novoselov at Manchester University managed to extract single-atom-thick crystallites (graphene) from bulk graphite in 2004.History

17. The researchers simplified the technique and started using dry deposition.

18. There were a number of previous attempts to make atomically thin graphitic films vary by using exfoliation techniques.Preparative methods

20. Epitaxial graphene on silicon carbide can be patterned using standard microelectronics methods.

21. Many important graphene properties have been identified in graphene produced by this method. For example, the electronic band-structure (so-called Dirac cone structure) has been first visualized in this material. Epitaxial growth on silicon carbide

23. Solar cells

24. Energy-storage devices

25. Cell phones

26. High-sped computer chips

27. Nano Tubes and Ribbons

28. Ultra capacitorsApplications

30. Highly flexible

31. Can be used as 1D,2Dand 3D

32. Very high conductivity

33. Super conductor at room temperature .,etc

34. Comparatively very few disadvantages Advantages & Disadvantages

36. H. C. Schniepp, J.-L. Li, M. J. McAllister, H. Sai, M. Herrera-Alonso, D. H. Adamson, R. K. Prud’homme, R. Car, D. A. Saville, I. A. Aksay (2006). "Functionalized Single Graphene Sheets Derived from Splitting Graphite Oxide". The Journal of Physical Chemistry

37. P. Boehm, A. Clauss, G. O. Fischer, U. Hofmann (1962). "Das Adsorptionsverhalten sehr dünner Kohlenstoffolien". Zeitschrift für anorganische und allgemeine Chemie

38. www.wikipedia.org/graphene Reference

39. Quaries?

40. Thank you...