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Hydrogenation of C-60 in Peapods: Physical Chemistry in Nano Vessels
Universite Montpellier II. (LCVN)
University of Pennsylvania. (DMSE)
Umeå universitet, Teknisk-naturvetenskaplig fakultet, Fysik.
Universite Montpellier II. (LCVN)
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2009 (Engelska)Ingår i: The Journal of Physical Chemistry C, ISSN 1932-7447, E-ISSN 1932-7455, Vol. 113, nr 20, s. 8583-8587Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Hydrogenation of C-60 molecules inside SWNT was achieved by direct reaction with hydrogen gas at elevated pressure and temperature. Evidence for the C-60 hydrogenation in peapods is provided by isotopic engineering with specific enrichment of encapsulated species and high resolution C-13 and H-1 NMR spectroscopy with the observation of characteristic diamagnetic and paramagnetic shifts of the NMR lines and the appearance of sp(3) carbon resonances. We estimate that approximately 78% of the C-60 molecules inside SWNTs are hydrogenated to an average degree of 14 hydrogen atoms per C-60 molecule. As a consequence, the rotational dynamics of the encapsulated C60Hx molecules is clearly hindered. Our successful hydrogenation experiments open completely new roads to understand and control confined chemical reactions at the nano scale

Ort, förlag, år, upplaga, sidor
WASHINGTON, DC 20036: AMER CHEMICAL SOC, , 2009. Vol. 113, nr 20, s. 8583-8587
Nyckelord [en]
Carbon nanotubes, Nuclear magnetic Resonance spectroscopy, Hydrogenation, peapods
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Den kondenserade materiens fysik
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fasta tillståndets fysik
Identifikatorer
URN: urn:nbn:se:umu:diva-25648DOI: 10.1021/jp8095743OAI: oai:DiVA.org:umu-25648DiVA, id: diva2:232871
Tillgänglig från: 2009-08-28 Skapad: 2009-08-26 Senast uppdaterad: 2018-06-08Bibliografiskt granskad

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Talyzin, AlexandrWågberg, Thomas

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