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The carbon nanotube bulk material was prepared by the spark plasma sintering of multi-walled carbon nanotubes. When the surface of the bulk material was polished unexpected graphitization happened and the surface became covered by interlocked graphene layers. A similar phenomenon was observed in...
The effects of hydrogen produced upon KOH activation of an anthracite precursor were investigated by temperature programmed reaction (TPR) and post-carbonization temperature programmed desorption (TPD). TPR experiments performed with and without added hydrogen in the sweep gas for different...
This paper describes the electrochemical performance of carbon onions, nanodiamonds, carbon black and multiwalled nanotubes as electrodes in electrical double layer capacitors with organic electrolyte. Onions were formed by vacuum annealing of 5 nm nanodiamond (ND) powder at 1200–2000 °C with...
The synthesis of oxidised water-soluble fullerenes, prepared by chemically-induced aerobic oxidation, yields functionalised carbon cluster structures, which are oxidised by the covalent insertion of different oxygen units. Their strictly pH-dependent behaviour in aqueous solutions appears to be...
The thermal conductivity of vertically aligned CNT film arrays prepared using carbon vapor deposition (CVD) on a glass substrate was examined. A modern light flash device was first used to measure the effective thermal conductivity of the combined sample consisting of a sandwiched CNT film array...
Electrodeposited single-walled carbon nanotube thin films were used to prepare carbon nanotube–polymer composites by infiltrating methyl methacrylate (MMA) followed by in situ polymerization. Once polymerized, the PMMA matrix undergoes excellent conformal filling within the nanotube network,...
The unique physical and chemical properties of carbon nanotubes (CNTs) suggest enormous potential for many areas of research and application. The urgent need for toxicological studies on CNTs has arisen from the steadily increasing production volume....
We report the spectroscopic changes of tetraphenylporphyrin carbon nanotube composites in a variety of chlorinated solvents such as chloroform, dichloroethane and dichlorobenzene as a result of sonication. Detailed data analysis suggests that protonation of the porphyrin core nitrogen atoms...
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