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A novel carbon allotrope, T-carbon, is attempted to obtain by using plasma enhanced chemical vapor deposition (PECVD) on the substrates of polycrystalline diamond and single crystalline diamond, respectively. Our measured x-ray diffraction, Raman and infrared spectra of the new form of carbon are in good agreement with the calculated results of T-carbon, and the lattice parameter meets with the results...
A solvent-free graphene oxide nanoribbons colloids (GONRs-M2070) was achieved and evaluated by grafting organosilanes (KH560) and polyether amine (M2070). Epoxy composites were then prepared with the GONRs-M2070 colloids based on the in-situ blending method to investigate its effect on the mechanical, thermal and tribological properties of the resulting composites, as well as the distribution of GONRs-M2070...
A novel CVD grown 3D network graphene is used as interleaves to toughen and strengthen glass fiber reinforced epoxy composite (GF/EP). Remarkable increases of 70% and 206% in mode I and mode II interlaminar fracture energies, respectively, and 36% enhancement in interlaminar shear strength are achieved in GF/EP by incorporating network graphene in the failure-prone mid-plane compared to those composite...
Ultrananocrystalline diamond (UNCD) films were prepared by microwave plasma chemical vapor deposition using argon-rich CH 4 /H 2 /Ar plasmas with different H 2 concentrations from 5% to 20%. The influence of the H 2 concentration on the microstructure, morphology and phase composition of the UNCD films was investigated by SEM, XRD, surface profilometry and Raman spectroscopy...
A novel method was developed to synthesize graphite oxide/TiO 2 composites as a highly efficient photocatalyst by in situ depositing TiO 2 nanoparticles on graphene oxide nano-sheets by a liquid phase deposition, followed by a calcination treatment at 200°C. The two-dimensional porous graphene oxide/TiO 2 composites had specific surface area of 80m 2 g −1 being...
Using porous anodic aluminum oxide as template and petroleum pitch as precursor, a massive amount of uniform carbon nanofibers was obtained after thermal treatment. The diameter and length were 300nm and 60μm, respectively. The difference between these and the classic herringbone structure is that the angle between the graphenes and the fiber axis increases regularly along the axis instead of being...
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