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We report on the rational synthesis of coiled carbon nanotube (CNT) and nanowires morphologies, through chemical vapor deposition, made feasible through extensive thermodynamic analysis and modeling. Coil formation is scientifically interesting in that helices abound in nature, e.g., DNA, proteins, etc., and a connection is being made at the nanoscale between carbon based inorganic and organic forms...
In this work, the effect of substrate position on the formation of ZnO nanostructures synthesized by thermal evaporation of zinc oxide (ZnO) and carbon nanotubes (CNTs) on silicon substrate is investigated. The multi-wall CNT powder made by chemical vapor deposition was mixed with ZnO powder with a molar ratio of 1:1. The source material was put into the middle of chamber while Si substrates were...
In this work, carbon nanotubes and carbon nanofibres (CNTs-CNFs) composite film was synthesized by low pressure thermal chemical vapor deposition. CNTs-CNFs film was characterized by scanning electron microscopy and Raman spectroscopy. The effect of different growth temperature on the morphology of CNTs-CNFs and electrosorption of NaCl solution by CNTs-CNFs film grown at 550degC, 600degC, 650degC...
In this paper, double-walled carbon nanotube (DWNT) bundles can be transformed into multi-walled carbon nanotubes (MWNTs) by electric current treatment in vacuum. The morphology of the transformed MWNTs shows an obvious dependence on power density of the current, which changes from partly transformed MWNTs to collapse MWNTs with the increase of power density. The process of this structural transformation...
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