Chapter 14 Pyrolysis of Other Nitrogen Containing Compounds

The mechanism of thermal defunctionalization of multiwalled carbon nanotubes (CNTs) oxidized by nitric acid was studied. X-ray photoelectron spectroscopy and thermal analysis under different heating rates combined with mass spectrometry of evolved gases (TGA–MS) were used to reveal the transformations on the CNT surface. Hydrogen–deuterium exchange and mathematical handling of TGA–MS curves were carried out to evaluate the impact of a small amount of residual oxygen on CNT defunctionalization. Water, CO, CO2, and NO/CH2O mass curves recorded during TGA–MS study were curve fitted. The resultant peaks were attributed to the different stages of CNT defunctionalization. Deuterium exchanged CNTs allowed one to reveal the mechanism of water release during heating. Kissinger’s model was applied to estimate the activation energy of the decomposition of different functional groups on the surface of CNTs.

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Chapter 14 Pyrolysis of Other Nitrogen Containing Compounds

Cited by 2 publications

References 107 publications

Mechanism and kinetics of decomposition of N-containing functional groups in few-layer graphene nanoflakes

Mechanism and kinetics of decomposition of N-containing functional groups in few-layer graphene nanoflakes

Mechanism of Thermal Defunctionalization of Oxidized Carbon Nanotubes

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