Catalytic synthesis of carbon nanotube over nickel ferrite loaded oxidized diamond catalyst
نویسندگان
چکیده
منابع مشابه
Catalytic removal of nitrogen dioxide in the air stream by nickel and nickel- platinum supported multiwall carbon nanotube.
Introduction Nitrogen oxides as one of the most dangerous environmental pollutant, have harmful effects on the health of people in the workplace. Today, the catalytic oxidation of nitrogen oxides is a highly efficient method for removing of this gases that has been dedicated part of researches. The aim of study was to investigate the removal efficiency of nitrogen dioxide (NO2) by nickel and...
متن کاملSynthesis and characterization of Nickel Copper Ferrite
Nano size nickel copper ferrite powders (NiCuFe2O4) have been prepared by a prepared by Co precipitation method. The resulting powders were characterized by X-ray diffraction (XRD), Scanning electron microscope (SEM).The result showed nanosize nickel copper ferrite(35.65nm). The powders showed extensive XRD line broadening and sizes of crystals observed from the XRD line broadening was35.65 nm,...
متن کاملMössbauer study of nanodimensional nickel ferrite – mechanochemical synthesis and catalytic properties
Iron–nickel spinel oxide NiFe2O4 nanoparticles have been prepared by the combination of chemical precipitation and subsequent mechanical milling. For comparison, their analogue obtained by thermal synthesis is also studied. Phase composition and structural properties of iron–nickel oxides are investigated by X-ray diffraction and Mössbauer spectroscopy. Their catalytic behavior in methanol deco...
متن کاملFirst principles studies of the effect of nickel carbide catalyst composition on carbon nanotube growth
Density functional theory calculations were used to investigate the stability of single walled carbon nanotubes (CNTs) attached to nanoparticles. The total energies and the adhesion energies between the CNTs and the nanoparticles were calculated for systems where the nanoparticles were either pure Ni or Ni carbide. It was found that the adhesion between the CNT and a pure Ni cluster is stronger...
متن کاملEffects of hydrogen pretreatment on physical-vapor-deposited nickel catalyst for multi-walled carbon nanotube growth
Physical vapor deposited nickel catalyst layers of 10, 50, 100, 200, 350, and 500 were granulated using hydrogen plasma for varying times to determine an effective carbon nanotube (CNT) growth process using microwave plasma enhanced CVD (MPECVD). Nickel was deposited via sputtering or evaporation. The catalyst granule size, density, and resulting CNTs were analyzed. Sputtered nickel of 50 w...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Transactions of the Materials Research Society of Japan
سال: 2013
ISSN: 1382-3469,2188-1650
DOI: 10.14723/tmrsj.38.435