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Ambient solid-state mechano-chemical reactions between functionalized carbon nanotubes
Kumaranchira Ramankutty Krishnadas,
Published in Nature Publishing Group
2015
Volume: 6
   
Abstract
Carbon nanotubes can be chemically modified by attaching various functionalities to their surfaces, although harsh chemical treatments can lead to their break-up into graphene nanostructures. On the other hand, direct coupling between functionalities bound on individual nanotubes could lead to, as yet unexplored, spontaneous chemical reactions. Here we report an ambient mechano-chemical reaction between two varieties of nanotubes, carrying predominantly carboxyl and hydroxyl functionalities, respectively, facilitated by simple mechanical grinding of the reactants. The purely solid-state reaction between the chemically differentiated nanotube species produces condensation products and unzipping of nanotubes due to local energy release, as confirmed by spectroscopic measurements, thermal analysis and molecular dynamic simulations. © 2015 Macmillan Publishers Limited. All rights reserved.
About the journal
JournalNature Communications
PublisherNature Publishing Group
ISSN20411723
Open AccessNo
Concepts (35)
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    Carbon nanotube
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    Carboxyl group
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    Carboxylic acid
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    Graphene
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    Hydroxyl group
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    Multi walled nanotube
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    Carbon
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    Chemical reaction
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    Condensation
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    Energy dissipation
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    Fullerene
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    Grinding
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    Microstructure
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    Simulation
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    Solid
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    Spectroscopy
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    Thermal alteration
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    Ambient air
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    Article
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    Density functional theory
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    Differential scanning calorimetry
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    Hydrogen bond
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    Infrared spectroscopy
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    MECHANOCHEMICAL REACTION
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    Molecular dynamics
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    Polymerization
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    Proton transport
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    Raman spectrometry
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    ROENTGEN SPECTROSCOPY
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    Room temperature
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    Scanning electron microscopy
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    Solid state
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    Thermal analysis
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    Transmission electron microscopy
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    WATER VAPOR