The Investigation Of Carbon Nanomaterials And Mechanism Found On Ni/Mo/Mg/O Catalyst

Carbon nanomaterials have unusual properties, playing a special role in energy, material, electron and other fields. On the basis of review about previous work, the catalytic mechanism of Ni/Mo/Mg/O catalyst is the focus of this work, as well as catalytic PP and PP/cellulose composite synthesizing carbon nanomaterial. The concrete work as follow:1. The carbonized mechanism of C2H2 catalyzed by Ni/Mo/Mg/O catalyst by the mean of CVD. Our work researched the chemical change occurring on the surface of Ni/Mo/Mg/O catalyst which has been summarized into reaction equation, by comparing the composition of different reaction condition. The carbon product was characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). And the gas product was analyzed by Gas chromatogram-Mass chromatogram.2. PP catalyzed by Ni/Mo/Mg/O catalyst synthesizing MWNTs through combustion. We present the efficient advancement of activity of nickel via combined molybdenum and magnesium, by which abundant MWNTs with straight and double helical structure was fabricated from one step combustion of polypropylene (PP). SEM, TEM and thermo-gravimetric analysis (TGA) techniques are applied to present the morphology and purity of MWNTs.3. PP/cellulose composites convert into carbon nanomaterials with the assistance of Ni/Mo/Mg/O catalyst. The effect of Ni and Mo on the structure of carbon nanomaterials was researched by which these materials were efficiently produced by means of C2H2 CVD. The role of cellulose in the microstructure of the carbon nanomaterials was demonstrated through comparing the different of appearances of product due to the composites of which PP/cellulose ratio is various.