Synthesis and Characterization of a Novel Class of Lewis Acid Doped Tetraaniline

Abstract

Boron trifluoride (BF₃) doped tetraaniline with novel structure were successfully synthesized via two step method. In the first step, emeraldine base form tetraaniline was synthesized via oxidative chemical polymerization of N-phenyl-1, 4-phenylenediamine using ammonium persulphate as oxidant. In the second step involves control BF₃ doping of tetraaniline using boron trifluoride etherate. As synthesized BF₃ doped tetraaniline have been well characterized by UV-Visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction patterns (XRD), and scanning electron microscopy (SEM) and thermogravimetry. Thermogravimetry studies revealed that the BF₃ doping improved the thermal stability of tetraaniline.