Electron transport properties of B-fullerenes, B80 and B100, are investigated with the use of the first-principles density functional theory (DFT), in conjunction with the Landauer-Büttiker formalism and compared with C-fullerene, C60, under similar conditions. The differential conductance and the tunnel current for B-fullerenes sandwiched between Au contacts are calculated to be much higher th...

Both fullerenes and single-walled carbon nanotubes (SWNTs) exhibit many advantageous properties. Despite the similarities between these two forms of carbon, there have been very few attempts to physically merge them. We have discovered a novel hybrid material that combines fullerenes and SWNTs into a single structure in which the fullerenes are covalently bonded to the outer surface of the SWNT...

We explore some generalizations of fullerenes Fv (simple polyhedra with v vertices and only 5and -gonal faces) seen as (d−1)dimensional simple manifolds (preferably, spherical or polytopal) with only 5and 6-gonal 2-faces. First, finite and planar (infinite) 3-fullerenes are described. Three infinite families of spherical 4fullerenes are presented in Sections 4-6. The Construction A gives 4-poly...

Individual fullerene molecules were observed and sized using high resolution transmission electron microscopy. Fullerene C60 molecules were tethered by chemical bonding to carbon black particles to facilitate HRTEM imaging and sizing of known fullerenes. HRTEM analysis of soot samples from a fullerene-forming flame revealed the presence of a range of fullerenes from C36 to C176 and larger fulle...

Graphene oxide (GO) and C60 - or C60 -TRIS fullerenes, internalized by murine dendritic cells (DCs), differently affect their abilities to present antigens to T-cells. While C60 -fullerenes stimulate the ovalbumin-specific MHC class I-restricted T-cell response, GO impairs the stimulatory potential of DCs. In contrast to C60 -fullerenes, GO decreases the intracellular levels of LMP7 immunoprote...

ABSTRACT Several works on nonclassical fullerenes with heptagons have mainly considered the case with just one heptagon. In this context the isolated pentagon rule is not satisfied. The study of nonclassical fullerenes is important because some of them are more stable than the corresponding classical isomers with the same number of pentagonal bonds. We present several nonclassical fullerenes wi...

For each d > 0, we find all the smallest fullerenes for which the least distance between two pentagons is d. We also show that for each d there is an hd such that fullerenes with pentagons at least distance d apart and any number of hexagons greater than or equal to hd exist. We also determine the number of fullerenes where the minimum distance between any two pentagons is at least d, for 1 ≤ d...

Like beads on a string: A synthetic method for the directional construction of strings of spherical fullerenes along stacks of planar oligothiophenes is described. The key to success was the preparation of fullerenes with two solubilizing tri(ethylene glycol) tails (bold) and an aromatic aldehyde for covalent capture by hydrazides along the oligothiophene stacks (red). BOLAG, Alatengbaolige, et...

Growth experiments of transplanted malignant tumors in the presence of water-soluble C60 fullerenes were performed on groups of mice. It was found that C60 fullerenes efficiently inhibit the growth of transplanted malignant tumors. This behavior can be explained through their high antioxidant activity and the blocking of the specific cell receptors (for example, endothelial growth factor). The ...

The most abundant fullerenes, C60 and C70, and all the pure-carbon fullerenes larger than C70 synthesized so far follow the isolated-pentagon rule (IPR). Fullerenes containing adjacent pentagons (APs) are less stable due to the additional strain. Surprisingly, recent experiments have shown that a few endohedral fullerenes, for which IPR structures are possible, hence expected to be the most sta...