1. Cross-section of a bundle of single walled nanotubes Thess et al Nature

2. Cross-section of a bundle of single walled nanotubes Thess et al Nature

3. 1.4nm

5. SWNTs Possible Formation mechanism catalyst - C 60 covered in Ni and Co

7. 3.4 nm Ferrocene interplanar distance is 3.4nm

8. 0.7nm 0.35nm 1.4nm

9. Cross-section of a bundle of SWNTs with C 60 molecules inside (Thess et al) 1nm

10. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

12. Bundles of SWNTs Formed by laser ablation of graphite Ni and Co present Diameters fairly uniform ca 1.4nm Conditions ideal for C 60 formation

14. 0.34 nm Ferrocene

15. Graphene sheet nucleation zone C 60 Ni/Co atoms

16. Graphene sheet nucleation zone C 60 Ni/Co atoms

45. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

46. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

47. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

48. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

49. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

50. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

51. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

52. C 60 molecules inside a SWNT Smith, Monthioux and Luzzi Nature 1998 2nm

54. General Research Strategy at Sussex What fundamental information about nanotube formation can we deduce from their structures and the catalytic particles that create them?

55. Suggested mechanism for the formation for single walled carbon nanotubes which are ca 1.4nm diameter