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Extrusion‐based 3D printing, an emerging technology, has been previously used in the comprehensive fabrication of light‐emitting diodes using various functional inks, without cleanrooms or conventional microfabrication techniques. Here, polymer‐based photodetectors exhibiting high performance are fully 3D printed and thoroughly characterized. A semiconducting polymer ink is printed and optimized for...
In this study, carbon nanotubes were synthesized at high temperature (1150–1500°C) using the substrate-free gas phase pyrolysis method. The CNT sock morphology, CNT structure, impurity, process yield and growth efficiency at high temperatures were investigated. It was found that the CNTs transform from single-walled to multi-walled nanotubes at elevated temperature. The amount of amorphous impurities...
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,...
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