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The Production of CNT Flower-Like Structures with 3-Fold and 4-Fold Symmetries on a Pt/Si Substrate

¹ Université du Sud Toulon Var, IM2NP UMR CNRS, La Garde, France
² Université Franche-Comté, UE, La Bouloie, Besan?on, France
³ Université du Sud Toulon Var, IM2NP UMR CNRS, La Garde, France
⁴ Université Franche-Comté, UE, La Bouloie, Besan?on, France

Advances in Chemical Engineering and Science·Volume 03 (2013)·Pages 78–81·Published 11 January 2013·DOI10.4236/aces.2013.31009

Abstract

Carbon nanotubes flower (CNTs-F) films were prepared by catalytic chemical vapor deposition (CVD) on a platinum (Pt) thin layer, supported on a silicon wafer. The products were synthesized from an aerosol composed of ferrocene and toluene, as catalyst and carbon precursor respectively, at 820 . The high synthesis temperature induces a modification of a Pt thin layer to a nano-structured island giving rise to the formation of CNTs-F during the following films growth step by CVD process. The suggested mechanism involves the selective diffusion of the catalyst and carbon atoms through the Pt grain boundaries. This results in the appearance of flower-like structures with 3-and 4-fold symmetries.

KeywordsCarbon NanotubeAerosol-CVD3-Fold and 4-Fold SymmetriesFlower Shape

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The Production of CNT Flower-Like Structures with 3-Fold and 4-Fold Symmetries on a Pt/Si Substrate

Abstract

References (13)