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Dispersion remains a technical challenge for effective applications of carbon nanotubes (CNTs). We observed an interesting sorption phenomenon that measured sorption capacity of small and polar aromatic organic molecules (SPAOMs) by CNTs is up to 230 times higher than their theoretically calculated monolayer sorption capacity. Therefore, here we report the dispersion of CNTs using SPAOMs. The stability...
It has been a great challenge to directly deposit uniform metal particles onto pristine graphene due to its low surface energy and chemical inertness. Without any surfactant or functionalization, we have developed a unique synthesis of high-quality PtRuNi trimetallic nanoparticles supported on pristine graphene via a simple but effective supercritical route. Due to excellent wettability between supercritical...
We report a scalable and volatile organic compound-free process for the production of well-dispersed carbon nanotubes (CNTs) in a polymer by the rapid expansion of a supercritical suspension (RESS), in which CNTs had been suspended in supercritical carbon dioxide, and CO2 and CNTs released from the suspension were rapidly vented through a nozzle. Reagglomeration of the CNTs after RESS can be prevented...
Ultrathin polymer film is deposited on the surfaces of vapor-grown carbon nanofibers by a plasma polymerization using acrylic acid as a monomer. Small angle light scattering is used to investigate the dispersion behavior of the carbon nanofibers suspended in water and provides information on the mechanism by which plasma treatment assists dispersion. Both plasma-treated and untreated nanofibers exhibit...
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