Publications by authors named "Alejandro J Cortes-Lopez"

Article Synopsis
  • * It identifies specific oxygen and nitrogen functional groups that either withdraw or donate electrons, with groups like carbonyl and pyridinium demonstrating metallic behavior and greater stability in their structures.
  • * The research highlights that quinone and N-ethylamine groups increase the AGNRs' global hydrophilicity, indicating a strong capacity to accept electrons, and discusses how nitrogen doping influences oxidation and reduction energies for certain functional groups.
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We report the synthesis of nitrogen-doped carbon nanotube sponges (N-CNSs) by pyrolysis of solutions of benzylamine, ferrocene, thiophene, and isopropanol-based mixture at 1020 °C for 4 h using an aerosol-assisted chemical vapor deposition system. The precursors were transported through a quartz tube using a dynamic flow of H/Ar. We characterized the N-CNSs by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, and thermogravimetric analysis.

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Nitrogen-doped carbon sponge-type nanostructures (N-CSTNs) containing coaxial multiwalled carbon nanotubes are synthesized at 1020 °C by using a modified chemical vapor deposition (CVD) arrangement. Here, the CVD reactor is supplied by two flows coming from two independent sprayers (called sprayer A and sprayer B). The nebulized material in each sprayer is transported by two different gases with different flow velocities.

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