Near-edge X-ray absorption fine structure investigations of order in carbon nanotube-based systems |
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| Authors: | Banerjee Sarbajit Hemraj-Benny Tirandai Sambasivan Sharadha Fischer Daniel A Misewich James A Wong Stanislaus S |
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| Institution: | Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, USA. |
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| Abstract: | Probing order in nanotube systems is of fundamental importance in devising applications of these tubes in field emission applications as well as for components of composite materials. We use near-edge X-ray absorption fine structure (NEXAFS) spectroscopy to qualitatively and quantitatively study the degree of order and alignment in a wide range of carbon nanotube-based systems, including single-walled carbon nanotube (SWNT) powder, SWNT films, and aligned multiwalled carbon nanotubes. The results are compared to analogous data obtained from a highly ordered pyrolytic graphite (HOPG) sample. |
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