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Interaction of Thermally Pretreated Carbon Nanomaterials with Water Vapor

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Abstract:

We used temperature-programmed desorption-mass spectrometry to verify whether low-molecular-weight products can form by reacting thermally pretreated single-walled and multi-walled carbon nanotubes (SWNTs and MWNTs, respectively) with water vapor. The reactivity of MWNTs toward water is similar to the reactivity of graphite, whereas acid-oxidized SWNTs behave like polymerized C60 fullerene. We think the main factors influencing the reactivity are molecular surface curvature and the presence of pyrolyzable defect groups, which create highly strained bonds upon their elimination.

Keywords: CARBON NANOTUBES; MULTI-WALLED; SINGLE-WALLED; SPECTROMETRY; TEMPERATURE-PROGRAMMED DESORPTIONMASS

Document Type: Short Communication

DOI: https://doi.org/10.1166/jnn.2004.041

Publication date: 2004-01-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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