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Electrochemical polymerization of polyhydrocarbons by reductive dehalogenation of chlorinated methanes

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Title
Electrochemical polymerization of polyhydrocarbons by reductive dehalogenation of chlorinated methanes
Author(s)
Jae Hong Seo; Rajmohan Rajendiran; Sun Hwa Lee; Rodney S. Ruoff
Publication Date
2023-04
Journal
Cell Reports Physical Science, v.4, no.4
Publisher
Cell Press
Abstract
Electrochemistry is a useful technique for mild synthesis of polymers, but the mechanisms of electrochemical polymerization are challenging to fully understand. Here, we focus on understanding the reaction mechanisms during the electrochemical polymerization of polyhydrocarbons. The overall synthetic pathway for hyperbranched polyhydrocarbons is investigated using electrochemical methods combined with spectroscopy, namely nuclear magnetic resonance (NMR) and Fourier transform infrared (FT-IR). The oxidation and reduction occurring on the anode and cathode are investigated by cyclic voltammetry and NMR analyses to distinguish the functions of each electrode at the reaction initiation. Real-time FT-IR measurements during electrochemical polymerization are used to decipher the propagation steps. The termination by various suppliers of hydrogen atoms (such as aqueous hydrochloric acid) is examined via NMR spectroscopy using deuterium-labeled acetonitrile and chloroform. The participation of chlorinated methanes and of the solvent acetonitrile in the electrochemical polymerization is interrogated. Overall, these findings advance understanding of the key steps in the polymerization reaction. © 2023 The Author(s)
URI
https://pr.ibs.re.kr/handle/8788114/13963
DOI
10.1016/j.xcrp.2023.101373
ISSN
2666-3864
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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