Ref HAL: hal-00657330_v1
DOI: 10.1063/1.3631052
WoS: 000294968600117
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Résumé:

We present 13 C high-resolution magic-angle-turning (MAT) and magic angle spinning nuclear magnetic resonance data of Cs and Rb intercalated single walled carbon nanotubes. We find two distinct phases at different intercalation levels. A simple charge transfer is applicable at low intercalation level. The new phase at high intercalation level is accompanied by a hybridization of alkali (s) orbitals with the carbon (sp2) orbitals of the single walled nanotubes, which indicate bundle surface sites is the most probable alkali site. (C) 2011 American Institute of Physics. [doi:10.1063/1.3631052]