CARBON NANOTUBES SYNTHESIS BY CHEMICAL VAPOR DEPOSITION OF METHANE OVER ZN – FE MIXED CATALYSTS SUPPORTED ON ALUMINA

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BADIEI ALIREZA; AZMARD MAZAHER; KARIMI MAHDI; ZARABADI POOR PEZHMAN

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Journal: JOURNAL OF NANOSTRUCTURES Year:2014 | Volume:4 | Issue:3 Page(s): 259-265

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Title

CARBON NANOTUBES SYNTHESIS BY CHEMICAL VAPOR DEPOSITION OF METHANE OVER ZN – FE MIXED CATALYSTS SUPPORTED ON ALUMINA

Author(s)

BADIEI ALIREZA | AZMARD MAZAHER | KARIMI MAHDI | ZARABADI POOR PEZHMAN | Issue Writer Certificate

Keywords

CARBON NANOTUBEQ2

CHEMICAL VAPOR DEPOSITIONQ2

ZN-FE/ALUMINA CATALYSTQ2

METHANEQ2

Abstract

CARBON NANOTUBEs were synthesized over a series of Zn-containing Fe/alumina catalysts by CHEMICAL VAPOR DEPOSITION method at two reaction temperatures of 850 and 950 °C using METHANE as a carbon source. Catalysts were synthesized by keeping Fe concentration constant and varying Zn concentration to study the effects of Zn.The catalysts were characterized using X- ray powder diffraction and N2 adsorption – desorption methods which confirmed the successful synthesis of catalysts and metals particles were inserted in alumina pores. The synthesized CARBON NANOTUBEs were tested by scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetry analysis (TGA) and Raman spectroscopy. SEM images showed that the diameter of nanotubes almost was decreased with increasing Zn content of catalysts. In Raman spectroscopy, two main bands related to the CARBON NANOTUBEs were observed. Further, TGA results revealed that the percent of synthesized CARBON NANOTUBEs were almost increased with increasing [Zn] / [Fe] proportions.

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APA: Copy

BADIEI, ALIREZA, AZMARD, MAZAHER, KARIMI, MAHDI, & ZARABADI POOR, PEZHMAN. (2014). CARBON NANOTUBES SYNTHESIS BY CHEMICAL VAPOR DEPOSITION OF METHANE OVER ZN – FE MIXED CATALYSTS SUPPORTED ON ALUMINA. JOURNAL OF NANOSTRUCTURES, 4(3), 259-265. SID. https://sid.ir/paper/210929/en

Vancouver: Copy

BADIEI ALIREZA, AZMARD MAZAHER, KARIMI MAHDI, ZARABADI POOR PEZHMAN. CARBON NANOTUBES SYNTHESIS BY CHEMICAL VAPOR DEPOSITION OF METHANE OVER ZN – FE MIXED CATALYSTS SUPPORTED ON ALUMINA. JOURNAL OF NANOSTRUCTURES[Internet]. 2014;4(3):259-265. Available from: https://sid.ir/paper/210929/en

IEEE: Copy

ALIREZA BADIEI, MAZAHER AZMARD, MAHDI KARIMI, and PEZHMAN ZARABADI POOR, “CARBON NANOTUBES SYNTHESIS BY CHEMICAL VAPOR DEPOSITION OF METHANE OVER ZN – FE MIXED CATALYSTS SUPPORTED ON ALUMINA,” JOURNAL OF NANOSTRUCTURES, vol. 4, no. 3, pp. 259–265, 2014, [Online]. Available: https://sid.ir/paper/210929/en

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