Accurate control of the covalent functionalization of single-walled carbon nanotubes for the electro-enzymatically controlled oxidation of biomolecules

Naoual Allali,
Veronika Urbanova,
Mathieu Etienne,
Xavier Devaux,
Martine Mallet,
Brigitte Vigolo,
Jean-Joseph Adjizian,
Chris P. Ewels,
Sven Oberg,
Alexander V. Soldatov,
Edward McRae,
Yves Fort,
Manuel Dossot and
Victor Mamane

Full Research Paper
Published 26 Oct 2018

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1. Figure 1: A working electrode (WE) incorporating the f-SWCNTs deposited on the GCE surface.
  
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2. Figure 2: a) HRTEM micrographs of the raw HIPCO material. The arrows point out residual iron nanoparticles. b...
  
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3. Figure 3: Three-step covalent functionalization of HIPCO SWCNTs using different acidic conditions for step 1.
  
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4. Figure 4: Ferrocene derivatives (FcAlkyl and FcETG_n) with different linkers.
  
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5. Figure 5: Detailed C 1s spectra of A) raw HIPCO and B) HIPCO-HNO₃-FcETG₈. The binding energies of the Fe 2p c...
  
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6. Figure 6: A) TGA curves obtained under He for three samples. B) Derivative curve of the weight loss for the s...
  
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7. Figure 7: Mass spectrometry channels used to show the departure peaks of the cyclopentadienyl group and its m...
  
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8. Figure 8: Raman data of raw and f-SWCNTs taken with a laser at 514 nm.
  
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9. Figure 9: An example of a STEM HAADF image of the HIPCO-HNO₃-FcETG₂ sample. Inset: EELS spectra of the cataly...
  
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10. Figure 10: HIPCO-HNO₃-FcETG₂ sample analyzed by STEM: a) HAADF image. The inset focuses on the FcETG molecule,...
  
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11. Figure 11: Cyclic voltammograms obtained of GCEs modified with A) HIPCO-H₂SO₄ immobilized with diaphorase; B) ...
  
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12. Figure 12: Molecular-dynamics simulated structures after 6 ns: A) HIPCO-FcETG₈ without the presence of water, ...
  
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