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Field Emission study of the carbon nanotubes growth mechanism

par Moors, Cédric;Visart de Bocarmé, Thierry ;Kruse, Norbert
Référence International Conference on the Science and Application of Nanotubes (10: 2009-06-21->26: Pékin, Chine)
Publication Non publié, 2009-06-22

Poster de conférence

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Résumé :

The outstanding properties of carbon nanotubes (CNTs) provide high potenti- al for numerous applications. However, these properties are tightly related to the intimate structure of the CNTs. Accurate control of this structure is mandatory but not yet achieved in the different synthesis methods. This lack of control most probably arises from an insufficient knowledge of the nucleation and growth me- chanism at the atomic level. The goal of this study is to image and chemically probe model catalysts at the nanoscale in CNTs CVD conditions, aiming at unra- veling the initial stages of the still unknown growth mechanism.