Single crystals of three-dimensional (3D) C60 polymer were prepared by the topotactic conversion of two-dimensional (2D) C60 polymer single crystals at a pressure of 15 GPa at 600 degrees C. The x-ray single crystal study revealed that the 3D C60 polymer crystallized in a body centered orthorhombic space group Immm, and spherical C60 monomer units were substantially deformed to rectangular para...

The antitumor activity of pristine C60 fullerene aqueous solution (C60FAS) compared to 5-fluorouracil (5-FU) and pyrrole derivative 1-(4-Cl-benzyl)-3-Cl-4-(CF3-fenylamino)-1H-pyrrol-2.5-dione (MI-1) cytostatic drugs was investigated and analyzed in detail using the model of colorectal cancer induced by 1.2-dimethylhydrazine (DMH) in rats. The number, size, and location of the tumors were measur...

The interaction of C60 with single-wall carbon nanotubes (SWNTs) and graphite is studied experimentally by thermal desorption spectroscopy and theoretically by molecular-mechanics and molecular-dynamics calculations. The van der Waals parameters and force field for C60-graphene and C60-SWNT interactions are derived from the low-coverage C60 binding energy to the graphite surface. We use these t...

A giant amphiphile, which is constructed with an amorphous nano-pyramid (triphenylamine, TPA) and a crystalline nano-sphere (C60), was synthesized. Structural characterization indicates that this pyramid-sphere-shaped amphiphile (TPA-C60 ) forms a solvent-induced ordered phase, in which the two constituent units self-assemble into alternating stacks of two-dimensional (2D) TPA and C60 nano-shee...

While several recent reports have described the toxicity of water-soluble C60 fullerene nanoparticles, none have reported the toxicity resulting from the inhalation exposures to C60 fullerene nanoparticles or microparticles. To address this knowledge gap, we exposed male rats to C60 fullerene nanoparticles (2.22 mg/m3, 55 nm diameter) and microparticles (2.35 mg/m3, 0.93 microm diameter) for 3 ...

The design of multicomponent ionic complexes of fullerenes, (D1) (C60 ) (D2) is discussed. In this approach D1 was an organic cation and D2 was a neutral structure-forming molecule. These complexes demonstrated paramagnetic-diamagnetic transitions associated with the C-C and M-C bond formation, singlet-triplet transitions and high conductivity. 1. (D) (C60 ) CoOEP contain tetramethylphosphonium...

The growth and ordering of C60 molecules on the WO2/W(110) surface have been studied by low-temperature scanning tunnelling microscopy and spectroscopy (STM and STS), low-energy electron diffraction (LEED) and density functional theory (DFT) calculations. The results indicate the growth of a well-ordered C60 layer on the WO2/W(110) surface in which the molecules form a close-packed hexagonal st...

Results of selected-ion flow tube experiments are reported that explore the nucleophilic interaction of pyrrolidine and piperidine with C60 1 , C60 , C60 31 at 294 6 2 K in helium buffer gas at a pressure of 0.35 6 0.01 Torr. Two efficient sequential addition reactions were observed with C60 1 in analogy with previous results obtained with acyclic amine nucleophiles. Multicollision-induced diss...

The thermal stability of C60 dimers and 2D pressure-polymerized C60 is studied using highresolution capacitance dilatometry. The transformation of both the dimer and the polymer phases back to ‘normal’ C60 is excellently described by a simple thermally activated process, with activation energies of 1.75 r 0.1 eV (dimer) and 1.9 r 0.2 eV (polymer). These results are compared to previous data of ...