Simple and fast self-polymerization of benzidine using anodic exfloated graphene oxide nanosheet.

Area of Science:

• Materials Science
• Electrochemistry
• Polymer Chemistry

Background:

• Traditional polymer synthesis methods often involve harsh chemicals and initiators, posing environmental concerns.
• There is a growing demand for green synthesis routes for polymers that are efficient and sustainable.
• Graphene oxide nanosheets offer unique electrochemical properties for material synthesis applications.

Purpose of the Study:

• To report the first-ever self-polymerization of benzidine using a novel electrode material.
• To develop a simple, green, and efficient electrochemical method for polymer synthesis.
• To characterize the resulting self-polymerized benzidine/graphene oxide nanosheet composite.

Main Methods:

• Fabrication of an anodic exfoliated graphene oxide nanosheet (AEGO Nsh) electrode by anodizing a graphite sheet.
• Electrochemical self-polymerization of benzidine monomer onto the AEGO Nsh electrode in acidic media.
• Surface morphology analysis using phone camera and Field Emission Scanning Electron Microscopy (FE-SEM).
• Chemical characterization via X-ray Photoelectron Spectroscopy (XPS) and Attenuated Total Reflectance Infrared (ATR-IR) spectroscopy.
• Electrochemical confirmation using Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS).

Main Results:

• Successful self-polymerization of benzidine onto the AEGO Nsh electrode was achieved through a straightforward anodization and immersion process.
• FE-SEM imaging revealed the surface morphology of the self-polymerized benzidine on the AEGO Nsh (SPB/AEGO Nsh) electrode.
• XPS and ATR-IR analyses confirmed the chemical composition and structure of the SPB/AEGO Nsh composite.
• Electrochemical tests (CV and EIS) provided unequivocal evidence supporting the self-polymerization phenomenon.

Conclusions:

• The study successfully demonstrates a novel and green electrochemical method for the self-polymerization of benzidine.
• The developed AEGO Nsh electrode is effective in initiating and facilitating benzidine self-polymerization.
• This work presents a significant advancement in sustainable polymer synthesis, offering a promising alternative to conventional techniques.