Zn based nanoparticle–carbon nanotube hybrid materials: Interaction and charge transfer

The interaction and charge transfer between Zn-based nanoparticles (NPs) and carbon nanotubes (CNTs) is investigated by X-ray Auger and photoelectron spectroscopy. Charge transfer from Zn NPs toward the CNTs is demonstrated by the presence of an additional feature revealed in the C 1s spectrum of CN...

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Bibliographic Details
Published in:Carbon (New York) 2014-01, Vol.66, p.442-449
Main Authors: Mel, Abdel-Aziz El, Buffière, Marie, Ewels, Chris P., Molina-Luna, Leopoldo, Faulques, Eric, Colomer, Jean-François, Kleebe, Hans-Joachim, Konstantinidis, Stephanos, Snyders, Rony, Bittencourt, Carla
Format: Article
Language:English
Subjects:
Carbon
Charge transfer
Chemistry
Colloidal state and disperse state
Condensed Matter
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fullerenes and related materials
diamonds, graphite
General and physical chemistry
Materials Science
Nanoparticles
Nanopowders
Nanoscale materials and structures: fabrication and characterization
Nanostructure
Nanotubes
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Physics
Quenching (cooling)
Specific materials
Transformations
X-rays
Zinc
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Summary:The interaction and charge transfer between Zn-based nanoparticles (NPs) and carbon nanotubes (CNTs) is investigated by X-ray Auger and photoelectron spectroscopy. Charge transfer from Zn NPs toward the CNTs is demonstrated by the presence of an additional feature revealed in the C 1s spectrum of CNTs. This charge transfer was found to vanish after thermal oxidation due to the transformation of the metal Zn into ZnO. Photoluminescence (PL) spectroscopy shows that in the samples ZnO(Nps)/CNTs the PL intensity is quenched.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2013.09.020