Confinement effects on the shape and composition of bimetallic nano-objects in carbon nanotubes
X Li1, T Hungria2, C Garcia Marcelot3
1Université de Toulouse, INSA, UPS LPCNO, CNRS-UMR5215, 135 avenue de Rangueil, 31077 Toulouse, France. ksoulant@insa-toulouse.fr and Laboratoire de Chimie de Coordination UPR CNRS 8241, composante ENSIACET, Université de Toulouse UPS-INP-LCC 4 allée Emile Monso BP 44362, 31030 Toulouse Cedex 4, France. philippe.serp@ensiacet.fr.
Abstract:
CoPt and FePt nanostructures have been efficiently confined in carbon nanotubes (CNTs). A marked confinement effect has been evidenced, both on bimetallic nano-object shape and composition. In large diameter CNTs small Co- and Fe-rich nanoparticles are formed, while in small diameter CNTs Pt-rich nanowires are selectively produced.
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