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Characterization of Graphene Sheets Formed by the Reaction of Carbon Monoxide with Aluminum Sulfide

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Title
Characterization of Graphene Sheets Formed by the Reaction of Carbon Monoxide with Aluminum Sulfide
Author
Yoon, IlsunKim, Chang-DukMin, Bong-KiKim, Young-KiKim, BongsooJung, Woo-Sik
Issue Date
2009-12
Publisher
KOREAN CHEMICAL SOC
Citation
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.30, no.12, pp.3045 - 3048
Abstract
Graphene sheets formed by the reaction of carbon monoxide (CO) with aluminum sulfide (Al(2)S(3)) at reaction temperatures >= 800 degrees C were characterized by X-ray diffraction (XRD), Raman spectroscopy, and high-resolution transmission electron microscopy (HRTEM). The graphene sheets, formed as CO was reduced to gaseous carbon by the reaction with Al(2)S(3), in the temperature range 800 - 1100 degrees C, did not exhibit their characteristic XRD peaks because of the small number of graphene layers and/or low crystallinity of graphene sheets. Raman spectra of graphene sheets showed that the intensity ratio of the D band to the G band decreased and the 2D band was shifted to higher frequencies with increasing reaction temperature, indicating that the number of graphene layers increased with increasing reaction temperature.
URI
https://scholarworks.unist.ac.kr/handle/201301/3148
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=76649100749
DOI
10.5012/bkcs.2009.30.12.3045
ISSN
0253-2964
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