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A simple, inexpensive and one-step synthesis method of metal-containing carbon nanocapsules using an arc discharge in aqueous solution is reported. It was found that Ni, Co and Fe nanoparticles could be in situ encapsulated in carbon shells when the arc was performed respectively in aqueous...
Ferromagnetic nanopowders (NP), synthesized with magnetically decoupled cores, may represent interesting raw materials for their further conversion into nanostructured magnetic bulk materials, with properties suitable for their utilization in low and high-frequency applications. Capacitively...
The cutting of multi-walled carbon nanotubes (MWCNTs) using solid state shear milling (S 3 M) method and their strong interfacial interaction with polyamide 6 (PA6) in the solid state were studied. Transmission electron microscopy showed that after milling, the CNTs were greatly reduced in...
Lead(II) adsorption from an aqueous solution onto a graphene layer (Cπ electrons) was investigated using activated carbon and charcoal. The carbonaceous materials were treated by several steps to prepare ash free and acidic oxygen free graphite surface by washing with HCl and H 2 F 2 solution...
Novel morphologies of activated carbons such as monolith, beads and fiber cloth can effectively capture organic vapors from industrial sources. These adsorbent materials are also unique because they can undergo direct electrothermal regeneration to recover the adsorbed organic vapors for...
A heating process for obtaining free-standing carbon nanotube emitters is presented with the aim of improving field-emission properties from the screen-printed multiwalled carbon nanotube (MWCNT) films. Using an atmosphere with an optimum combination of nitrogen and air for heat treatment of CNT...
Freestanding single-walled carbon nanotubes (SWCNTs) have been synthesized in a vertical direction, perpendicular to the growth substrate, using applied DC substrate bias in a microwave plasma-enhanced chemical vapor deposition (PECVD) synthesis process. The degree of alignment and spatial...
Recent discovery of enhanced field emission current intensity from arrays of bundles of carbon nanotubes (CNT) has prompted this investigation of the growth of CNT bundle arrays by metal-catalyzed chemical vapor deposition (CVD), in order to understand and control the growth of these arrays. CNT...
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