Unravelling highly oxidized nickel centers in the anodic black film formed during the Simons process by in situ X-ray absorption near edge structure spectroscopy

Gene Senges; Ana Guilherme Buzanich; Tilen Lindič; Tyler A. Gully; Marlon Winter; Martin Radtke; Bettina Röder; Simon Steinhauer; Beate Paulus; Franziska Emmerling; Sebastian Riedel

doi:10.1039/D3SC06081K

Unravelling highly oxidized nickel centers in the anodic black film formed during the Simons process by in situ X-ray absorption near edge structure spectroscopy†

Gene Senges,

^a Ana Guilherme Buzanich,

^b Tilen Lindič,^c Tyler A. Gully,

^a Marlon Winter,

^a Martin Radtke,^b Bettina Röder,^b Simon Steinhauer,^a Beate Paulus,^c Franziska Emmerling

^b and Sebastian Riedel

*^a

Author affiliations

* Corresponding authors

^a Freie Universität Berlin, Fachbereich Biologie, Chemie, Pharmazie, Institut für Chemie und Biochemie – Anorganische Chemie, Fabeckstrasse 34/36, 14195 Berlin, Germany
E-mail: s.riedel@fu-berlin.de

^b BAM Federal Institute for Materials Research and Testing, Richard-Willstätter-Str. 11, 12489 Berlin, Germany

^c Freie Universität Berlin, Fachbereich Biologie, Chemie, Pharmazie, Institut für Chemie und Biochemie – Theoretische Chemie, Arnimallee 22, 14195 Berlin, Germany

Abstract

The Simons process is an electrochemical fluorination method to prepare organofluorine compounds. Despite the wide application, the underlying mechanism is still unclear. We report the investigation of the black film formed on the surface of the anodes in aHF by an in situ Ni K-edge X-ray absorption near edge structure (XANES) investigation. An electrochemical cell for in situ X-ray absorption spectroscopy (XAS) is presented.

Chemical Science

Unravelling highly oxidized nickel centers in the anodic black film formed during the Simons process by in situ X-ray absorption near edge structure spectroscopy†

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Unravelling highly oxidized nickel centers in the anodic black film formed during the Simons process by in situ X-ray absorption near edge structure spectroscopy

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