CARBON NANOSTRUCTURES FULLERENES CARBON NANOTUBES GRAPHENE lecture for
CARBON NANOSTRUCTURES (FULLERENES, CARBON NANOTUBES, GRAPHENE) lecture for physics and chemistry students (2017. summer semester – 23. February) Prof. Jenő Kürti ELTE Department of Biological Physics e-mail: kurti@virag. elte. hu www: virag. elte. hu/kurti
BAND STRUCTURE -16 me. V / carbon atom 5. 4 e. V 1. 7 e. V diamond sp 3 d. CC 0, 154 nm graphite sp 2 d. CC 0, 142 nm
Egrafit < Egyémánt E
Egrafit < Egyémánt Sgrafit > Sgyémánt E – TS
Egrafit < Egyémánt Sgrafit > Sgyémánt E – TS + p. V Vgrafit > Vgyémánt
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DFT band structure of diamond
DFT band structure of graphite
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UNEXPECTED DISCOVERY in 1985 H. W. Kroto, J. R. Heath, S. C. O’Brien, R. F. Curl, R. E. Smalley, „C 60: Buckminsterfullerene”, Nature 318, 162 (14 Nov. 1985) NOBEL-PRIZE: in 1996
Richard E. Smalley (1943 – 2005)
E. A. Rohlfing, D. M. Cox, A. Kaldor, J. Chem. Phys. 81, 3322 (1984)
H. W. Kroto, J. R. Heath, S. C. O’Brien, R. F. Curl, R. E. Smalley, „C 60: Buckminsterfullerene”, Nature 318, 162 (14 Nov. 1985) E. A. Rohlfing, D. M. Cox, A. Kaldor, J. Chem. Phys. 81, 3322 (1984)
H. W. Kroto, J. R. Heath, S. C. O’Brien, R. F. Curl, R. E. Smalley, „C 60: Buckminsterfullerene”, Nature 318, 162 (14 Nov. 1985) Curl Heath O’Brien Smalley Kroto
Icosahedron Truncated Icosahedron
R. Buckminster Fuller American architect (1895 -1983) e. g. „geodesic dome” Montreal world exposition 1967
Si-containing skeleton of the radiolarian Aulonia hexagona
C 60 buckminsterfullerene buckyball (ballene spherene soccerene carbosoccer. . . ) d 0, 7 nm
- Slides: 28