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Fatimah A. Noor
Physics of Electronic Materials Research Division, Institut Teknologi Bandung
Astronomy Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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Structural Characteristics of Carbon Nanotubes Fabricated Using Simple Spray Pyrolysis Method Khairurrijal Khairurrijal; Mikrajuddin Abdullah; Memoria Rosi; Fatimah A. Noor
Indonesian Journal of Physics Vol 19 No 3 (2008): Vol. 19 No. 3, July 2008
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.281 KB) | DOI: 10.5614/itb.ijp.2008.19.3.5

Abstract

A simple spray pyrolysis method has successfully used to synthesize carbon nanotubes (CNTs). Their structural characteristics were characterized by employing field-emission scanning electron microscopy (FE-SEM), energy dispersive X-ray (EDX) analysis, and X-ray diffraction (XRD) methods. FE-SEM images confirmed that the diameters of CNTs were in the range of 20 to 80 nm. The average diameter of CNTs increased considerably as the growth temperature increased (above 700 oC). The changes in growth time and ferrocene mass altered the average diameter of CNTs slightly. EDX analysis and XRD patterns indicated that Fe2O3 and Fe3O4, which originate from the oxidation of ferrocene catalyst, are the main impurities of the CNTs. The concentrations of Fe2O3 and Fe3O4 became lower and higher, respectively, for the growth temperatures higher than 700°C because Fe2O3 is the most stable at high temperatures.
Co-Authors Khairurrijal Khairurrijal Memoria Rosi Mikrajuddin Abdullah