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The formation of an aerogel-like sock is important to the floating catalyst method of synthesizing carbon nanotubes (CNTs). The sock, a term coined by Alan Windle, is an assembly of the individual electrostatically assembled nanotubes synthesized in the reactor. The coherency of this sock helps form the yarn or sheet. In this study, sock formation is investigated by controlling the feedstock type,...
The influence of transfer parameters on the final structure, morphology and electrical properties of graphene were investigated in this work. Optical microscopy and atomic force microscopy (AFM) images showed that a double layer of PMMA can enhance or degrade graphene quality depending on its concentration. When properly diluted (15% in anisole, resulting in a PMMA layer of 1.35%) the transfer technique...
First-principles calculation identifies elementary processes in the thermal reduction of graphene oxide (GO) and reveals the effects of alkaline-earth metals (AEMs) in recovering the graphene. These metals are highly effective in removing residual oxygen groups resistive to thermal reduction, as well as healing the defects formed during the reduction, such as the carbonyl groups. In the AEM-assisted...
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