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Near-edge X-ray absorption fine structure spectroscopy as a tool for investigating nanomaterials
Authors:Hemraj-Benny Tirandai  Banerjee Sarbajit  Sambasivan Sharadha  Balasubramanian Mahalingam  Fischer Daniel A  Eres Gyula  Puretzky Alexander A  Geohegan David B  Lowndes Douglas H  Han Weiqiang  Misewich James A  Wong Stanislaus S
Affiliation:Department of Chemistry, State University of New York at Stony Brook, Stony Brook, NY 11794-3400, USA.
Abstract:We have demonstrated near-edge X-ray absorption fine structure (NEXAFS) spectroscopy as a particularly useful and effective technique for simultaneously probing the surface chemistry, surface molecular orientation, degree of order, and electronic structure of carbon nanotubes and related nanomaterials. Specifically, we employ NEXAFS in the study of single-walled carbon nanotube and multi-walled carbon nanotube powders, films, and arrays, as well as of boron nitride nanotubes. We have focused on the advantages of NEXAFS as an exciting, complementary tool to conventional microscopy and spectroscopy for providing chemical and structural information about nanoscale samples.
Keywords:carbon nanotubes  functionalization  nanomaterials  NEXAFS spectroscopy  surface analysis
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