Results 291 to 300 of about 118,058 (340)
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Fullerenes and disk-fullerenes
Russian Mathematical Surveys, 2013Summary: A geometric fullerene, or simply a fullerene, is the surface of a simple closed convex 3-dimensional polyhedron with only 5- and 6-gonal faces. Fullerenes are geometric models for chemical fullerenes, which form an important class of organic molecules. These molecules have been studied intensively in chemistry, physics, crystallography, and so
Deza, M. +2 more
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Fullerene-fullerene collisions
Il Nuovo Cimento A, 1997The results of experimental studies of fullerene-fullerene collisions are presented and compared with molecular dynamics simulations and statistical models. The similarities with and differences to nuclear heavy ion collisions are discussed.
E. E. B. Campbell +2 more
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ChemInform, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
BENEDEK, GIORGIO, BERNASCONI, MARCO
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AbstractFor Abstract see ChemInform Abstract in Full Text.
BENEDEK, GIORGIO, BERNASCONI, MARCO
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Science, 1998
Single-wall fullerene nanotubes were converted from nearly endless, highly tangled ropes into short, open-ended pipes that behave as individual macromolecules. Raw nanotube material was purified in large batches, and the ropes were cut into 100- to 300-nanometer lengths.
, Liu +14 more
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Single-wall fullerene nanotubes were converted from nearly endless, highly tangled ropes into short, open-ended pipes that behave as individual macromolecules. Raw nanotube material was purified in large batches, and the ropes were cut into 100- to 300-nanometer lengths.
, Liu +14 more
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Physical Review Letters, 2004
We report the observation of quantized rotational states of a diatomic C2 unit in solid endohedral fullerene C(2)Sc(2)@C(84). The rotational transitions induce a periodic line pattern in the low energy Raman spectrum. The rotational constant B and the C-C distance were found to be 1.73 cm(-1) and 0.127 nm, respectively.
Krause, M. +8 more
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We report the observation of quantized rotational states of a diatomic C2 unit in solid endohedral fullerene C(2)Sc(2)@C(84). The rotational transitions induce a periodic line pattern in the low energy Raman spectrum. The rotational constant B and the C-C distance were found to be 1.73 cm(-1) and 0.127 nm, respectively.
Krause, M. +8 more
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Fullerene-fullerene collisions: Fragmentation and electron capture
Physical Review A, 1995In this paper, we describe collisions between high-energy (100-keV) fullerene ions (${\mathrm{C}}_{60}^{+}$, ${\mathrm{C}}_{60}^{2+}$, ${\mathrm{C}}_{70}^{2+}$, and ${\mathrm{C}}_{70}^{3+}$) and ${\mathrm{C}}_{60}$. The fast, forward-directed charged collision products are identified, leading to information on electron capture and loss as well as ...
, Shen +6 more
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Conformational Barrier for Fullerene−Porphyrin−Fullerene Triad
The Journal of Physical Chemistry B, 2008A recent study (J. Phys. Chem. B 2006, 110, 5337) proposed that fullerene-porphyrin-fullerene triad (C60PC60) could be utilized as a photoinduced switch due to the difference in electron transfer directionality for the cis and trans conformer. It is found that the rotational barrier between the SS and AA conformers of C60PC60 is about 3-5 kcal/mol ...
Shihai, Yan +4 more
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Chemistry - A European Journal, 2001
Recent developments in fluorination of fullerenes coupled with HPLC separation have permitted the isolation and subsequent structural characterisation of many derivatives, a number of which have novel and unexpected structures. The good solubility of fluorofullerenes, high reactivity towards nucleophiles and enhanced dienophilicity of the unsubstituted
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Recent developments in fluorination of fullerenes coupled with HPLC separation have permitted the isolation and subsequent structural characterisation of many derivatives, a number of which have novel and unexpected structures. The good solubility of fluorofullerenes, high reactivity towards nucleophiles and enhanced dienophilicity of the unsubstituted
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Medicinal chemistry with fullerenes and fullerene derivatives
Chemical Communications, 1999The study of the biological applications of fullerenes has attracted increasing attention despite the low solubility of the carbon spheres in physiological media. The organic functionalisation of fullerenes has helped solubilisation by covalent attachment of hydrophilic appendages.
DA ROS, TATIANA, PRATO, MAURIZIO
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