Synthesis of diazonium (perfluoroalkyl) benzenesulfonylimide zwitterions

Stable diazonium zwitterions for carbon modification. [Display omitted] ► Synthesis of remarkably stable diazonium zwitterions. ► Multifunctional examples prepared. ► Potential applications for electrode modification in PEM fuel cells. ► Based on the extensive chemistry of diazonium compounds in gen...

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Bibliographic Details
Published in:Journal of fluorine chemistry 2013-01, Vol.145, p.35-40
Main Authors: Mei, Hua, VanDerveer, Don, DesMarteau, Darryl D.
Format: Article
Language:English
Subjects:
Carbon
Chemical reactions
Diazonium salts
Electrodes
Exchange
Fluorine
Fuel cells
Perfluoroalkyls
Sulfonylimides
Synthesis (chemistry)
Zwitterions
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Summary:Stable diazonium zwitterions for carbon modification. [Display omitted] ► Synthesis of remarkably stable diazonium zwitterions. ► Multifunctional examples prepared. ► Potential applications for electrode modification in PEM fuel cells. ► Based on the extensive chemistry of diazonium compounds in general, extensive new chemistry possible. The synthesis and properties of diazonium (perfluoroalkyl) benzenesulfonylimide (PFSI) zwitterions are described. The general procedures for the diazonium PFSI zwitterions involve three steps: (1) a coupling reaction, (2) a reduction reaction and (3) a diazotization reaction. These novel diazonium PFSI zwitterions represent a new versatile class of remarkably stable diazonium materials with potential for modification of carbon supports for electrodes in proton exchange membrane (PEM) fuel cells.
ISSN:0022-1139
1873-3328
DOI:10.1016/j.jfluchem.2012.11.007