All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

Abstract

Copolymers of Bipyridinium and Metal (Zn & Ni) Porphyrin Derivatives

Author(s): Carita Meltola

In the presence of 4,4???-bipyridine (4,4???-bpy) as a bridge nucleophile, this study describes the electropolymerization of new keto functionalized octaethyl metal porphyrins (Zn2+and Ni2+). Electrochemical, spectroscopic (UV-Vis, XPS, FT-IR, and Raman spectroscopy), and imaging (AFM and SEM) techniques were used to characterise the polymer films. The presence of porphyrin and 4,4???-bipyridine units in the film is confirmed by the absorption and electronic spectra. The surface morphology shows homogenous coating deposition with roughness values of about 8 nm on average. Theoretical investigations were conducted to learn more about how different metal centres (Zn2+and Ni2+) interact with the porphyrin unit's keto functionality in the creation of copolymer films. The electrochemical interaction of polymer films with CO2 shows that CO2 is trapped and released in a reversible manner with low energy barriers for both polymers.
Share this       
Get the App