Page 114 - Carbon Nanotubes

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Fig. 18. Growth mechanism of a (5n,5n)-(9n,O) knee involving from 20 to 24 coordination sites of the catalyst. (a)-(g) Planar representation of the successive tubule growing steps;
(g') Schlegel diagram representation of the whole knee with the C2 numbering corresponding to that of the individual steps (a)-(g).