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Title

THE REACTOR TEMPERATURE EFFECT ON CARBON NANOTUBES GROWTH ON IRON CATALYST BY USING CHEMICAL VAPOR DEPOSITION AT 10 MMHG PRESSURE OF CHAMBER

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Abstract

 CARBON NANOTUBES WERE GROWN ON A THIN IRON CATALYST LAYER IN A CHEMICAL VAPOR DEPOSITION REACTOR (CVD) BY CHAMBER PRESSURE OF 10 MMHG. IN THIS PAPER WE REPORTED THE GROW OF CARBON NANOTUBES BY USING 1NM IRON CATALYST ON ALUMINUM OXIDE BUFFER AL2O3 LAYER OF SI P-TYPE (100) SUBSTRATE AND ETHANOL VAPOR AS CARBON SOURCE AND ARGON CARRIER GAS IN A THERMAL CHEMICAL VAPOR DEPOSITION(CVD). WE STUDIED CHAMBER TEMPERATURE ON LENGTH AND QUALITY OF CARBON NANOTUBES. THE RESULTS EXPLAINED THAT IN 10 MMHG PRESSURE, THE TEMPERATURE FOR OPTIMUM CARBON NANOTUBES GROWTH BY ETHANOL VAPOR AND IRON CATALYST IS 655OC. SCANNING ELECTRON MICROSCOPY (SEM) SHOWS CARBON NANOTUBES IN THIS TEMPERATURE HAVE BETTER LENGTH AND QUALITY.

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