EFFECT OF THE CATALYST LAYER THICKNESS AND THE RATE OF ETHANOL VAPOR ENTERING THE CHAMBER, ON THE SYNTHESIS OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION

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EJEIAN RASUL; EBRAHIMI AZADEH; NAKHAEE MOUSA

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Seminar: NATIONAL VACUUM CONFERENCE IRAN
Year:2012 | Issue:5

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Title

EFFECT OF THE CATALYST LAYER THICKNESS AND THE RATE OF ETHANOL VAPOR ENTERING THE CHAMBER, ON THE SYNTHESIS OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION

Author(s)

EJEIAN RASUL | EBRAHIMI AZADEH | NAKHAEE MOUSA

Keywords

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Abstract

VERTICALLY ALIGNED CARBON NANOTUBES (VA-CNTS) WERE SYNTHESIZED BY CHEMICAL VAPOR DEPOSITION (CVD) USING COBALT (CO) CATALYST SUPPORTED BY ALUMINUM OXIDE (AL2O3) LAYER. A MIXTURE OF THE GASES OF ETHANOL VAPOR AND ARGON WAS USED DURING THE GROWTH. THE EFFECT OF THE RATE OF HYDROCARBON GAS (ETHANOL) ENTERING THE CHAMBER, ON THE LENGTH AND DENSITY OF CARBON NANOTUBES WERE STUDIED. WE FOUND THAT IN A FIXED PRESSURE OF 20 MMHG, BY INCREASING THE RATE OF ETHANOL VAPOR, THE DENSITY AND ALSO THE LENGTH OF NANOTUBES INCREASES UP TO APPROXIMATE RATE OF 1.6 MOL/MIN, AND THEN DECREASES FOR HIGHER RATES OF ETHANOL. ALSO, IT WAS FOUND THAT THE DIAMETER, LENGTH AND DENSITY OF THE NANOTUBES ARE CONTROLLED BY THE THICKNESS OF THE CATALYST LAYER. SCANNING ELECTRON MICROSCOPY (SEM) WERE UTILIZED TO PROVIDE INFORMATION OF THE LENGTH, DENSITY AND DIAMETER OF CNTS UNDER VARIOUS CONDITIONS.

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APA: Copy

EJEIAN, RASUL, EBRAHIMI, AZADEH, & NAKHAEE, MOUSA. (2012). EFFECT OF THE CATALYST LAYER THICKNESS AND THE RATE OF ETHANOL VAPOR ENTERING THE CHAMBER, ON THE SYNTHESIS OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION. NATIONAL VACUUM CONFERENCE IRAN. SID. https://sid.ir/paper/906954/en

Vancouver: Copy

EJEIAN RASUL, EBRAHIMI AZADEH, NAKHAEE MOUSA. EFFECT OF THE CATALYST LAYER THICKNESS AND THE RATE OF ETHANOL VAPOR ENTERING THE CHAMBER, ON THE SYNTHESIS OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION. 2012. Available from: https://sid.ir/paper/906954/en

IEEE: Copy

RASUL EJEIAN, AZADEH EBRAHIMI, and MOUSA NAKHAEE, “EFFECT OF THE CATALYST LAYER THICKNESS AND THE RATE OF ETHANOL VAPOR ENTERING THE CHAMBER, ON THE SYNTHESIS OF VERTICALLY ALIGNED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION,” presented at the NATIONAL VACUUM CONFERENCE IRAN. 2012, [Online]. Available: https://sid.ir/paper/906954/en

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