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Complex fabrication methods for carbon nanotubes limit their potential for scale-up and use in practical applications. This study developed a simple method to deposit multiwall carbon nanotube (MWCNT) forest-like films from polyacrylonitrile and MWCNT solutions by coaxial electrospray. A MWCNT solution was used as the shell flow to generate vertically aligned tree-like structures at mesoscopic scale...
With a high surface area to volume ratio and good transport properties, hollow carbon spheres are one of the candidate materials for energy storage devices. Furthermore, highly capacitive and conductive hollow carbon spheres obtained through an effective synthesis route are in high demand for future commercialization. In this study, nitrogen-doped hollow carbon is synthesized utilizing microwave irradiation...
We synthesized spherical carbon composite particles from oil-based raw coke using a dry granulation process. Metal and metal oxide nanoparticles (NPs) such as TiO2, SiO2, and Si were used as additives in the carbon composites. Core–shell and internally mixed composites with microporous structures were formed depending on the type of NPs added and synthesis conditions. In the composites containing...
A facile, one step aerosol process for morphological control of hierarchical porous carbon particles using self-assembly of phenolic resin (as the host material) and charged polystyrene latex particles (PSL, as the template) in a droplet was reported in this work. The influence of spray pyrolysis parameters on the carbon morphology, such as temperature of furnace, carrier-gas flow rate, and mass ratio...
The physical properties of carbonaceous aerosol particles are often of interest but are difficult to determine from a single measurement. In this study, we used tandem aerosol measurement techniques to measure the effective physical properties, namely the effective density, porosity, and effective complex refractive index of spheroid aggregated and porous carbonaceous aerosol particles. An in-flight...
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