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In the present study, monodisperse Fe 3 O 4 nanoparticles with diameters ranging from 10nm to 25nm were synthesized using a simple organic-phase synthetic route and these monodispersed nanoparticles were then used as catalyst for seed growth of carbon nanotube. Fe 3 O 4 nanoparticles were reduced to iron nanoparticles assembly by Argon mixed with 5% Hydrogen gas at...
Carbon microcoils are generally prepared by catalytic chemical vapor deposition of acetylene, using Ni as the catalyst and thiophene as the promoter. In this work, Ni-sulphide has been used as a catalyst for the purpose of avoiding the introduction of noxious and unpleasant thiophene during the reaction process and getting the thin film of quasi-aligned carbon microcoils. SEM images show that the...
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