Raman Spectroscopy and Field Emission Scanning Electron Microscopic Studies on Carbon Nanomaterials

Aziah Buang Nor; Ismail Fatiha; Muhammad Zamir Othman

doi:10.4028/www.scientific.net/AMR.364.20

Paper Titles

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Titanium Dioxide Thin Films: Effect of Annealed in Oxygen Ambient
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 364Raman Spectroscopy and Field Emission Scanning...

Raman Spectroscopy and Field Emission Scanning Electron Microscopic Studies on Carbon Nanomaterials

Abstract:

Raman analysis is one of the main methods use to investigate type of graphitized carbon nanomaterials. It provides information on the vibration of crystal lattice, electron structure and regularity of crystal structure of the graphitized carbon materials. In this work the single step chemical vapour deposition (CVD) method was introduced for the direct growth of all as-synthesized carbon nanomaterials; carbon nanotubes (CNTs), carbon nanofiber (CNF), carbon nanosphere chain (CNSC) and CNT heterojunctions (HJCNTs). Series of metal catalysts were formulated from Ni, Fe, Cr and Cu, and were used in the synthesis of the respected carbon nanomaterials (CNMs). By introducing the right combination of the reaction conditions consisting of the formulated catalyst, reaction temperature and flow rate as well as type of carbon source resulted in the formation of different types of carbon nanomaterials. Raman spectra analysis revealed that the used of acetylene and ethanol as the carbon precursors are proficient to produce different form of carbon nanomaterials as depicted by the evolution of the G-band and D-band intensities. The FESEM micrographs obtained confirmed the morphology and types of the respected carbon nanomaterials synthesized in this study.

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Periodical:

Advanced Materials Research (Volume 364)

Pages:

20-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.364.20

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Online since:

October 2011

Authors:

Aziah Buang Nor, Ismail Fatiha, Muhammad Zamir Othman

Keywords:

Carbon Nanomaterials, Carbon Nanosphere, Carbon Nanotube (CN), Heterojunction, Raman Spectroscopy

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