Green chemical functionalization of single-walled carbon nanotubes in ionic liquids |
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| Authors: | Price B Katherine Hudson Jared L Tour James M |
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| Institution: | Department of Chemistry, Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005, USA. |
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| Abstract: | Single walled carbon nanotubes (SWNTs) are exfoliated and functionalized predominantly as individuals by grinding them for minutes at room temperature with aryldiazonium salts in the presence of ionic liquids (ILs) and K(2)CO(3). This constitutes an extremely rapid and mild green chemical functionalization process for obtaining the individualized nanotube structures. A number of ILs and various reaction conditions were surveyed. Raman, XPS, UV/vis/NIR spectroscopies, thermogravimetric analysis, and atomic force and transmission electron microscopies were used to characterize the products. |
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