Study of the Interface between Rhodium and Carbon Nanotubes

[en] X-ray photoelectron spectroscopy at 3.5 keV photon energy, in combination with high-resolution transmission electron microscopy, is used to follow the formation of the interface between rhodium and carbon nanotubes. Rh nucleates at defect sites, whether initially present or induced by oxygen-plasma treatment. More uniform Rh cluster dispersion is observed on plasma-treated CNTs. Experimental results are compared to DFT calculations of small Rh clusters on pristine and defective graphene. While Rh interacts as strongly with the carbon as Ti, it is less sensitive to the presence of oxygen, suggesting it as a good candidate for nanotube contacts.

Disciplines :

Chemistry
Physics

Author, co-author :

Suarez-Martinez, I.

Ewels, C.

Ke, Xiaoxing

Van Tendeloo, Gustaaf

Thiess, S.

Drube, W.

Felten, Alexandre

Pireaux, Jean-Jacques

Ghijsen, J.

Bittencourt, Carla ; Université de Mons > Faculté des Sciences > Chimie des Interactions Plasma-Surface

Language :

English

Title :

Study of the Interface between Rhodium and Carbon Nanotubes

Publication date :

23 March 2010

Journal title :

ACS Nano

ISSN :

1936-0851

Publisher :

American Chemical Society, United States - District of Columbia

Volume :

Issue :

Pages :

1680-186

Peer reviewed :

Peer Reviewed verified by ORBi

Research unit :

S882 - Chimie des Interactions Plasma-Surface

Research institute :

R400 - Institut de Recherche en Science et Ingénierie des Matériaux

Available on ORBi UMONS :

since 07 October 2010

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