2015
DOI: 10.1002/ange.201506061
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Ein robuster mesoionischer Pyridylcarben‐Cobalt‐Komplex als Elektrokatalysator für die Wasserstoff‐Produktion

Abstract: Das erste Beispiel für einen CoIII‐Komplex mit einem mesoionischen Pyridylcarben‐Liganden wird vorgestellt. Der Komplex ist ein effizienter Elektrokatalysator für die H2‐Produktion bei sehr niedriger Überspannung und sehr hohen Wechselzahlen unter Verwendung einer Glaskohlenstoff‐Arbeitselektrode. Die entsprechenden Triazol‐Komplexe zeigen keinerlei katalytische Aktivität unter identischen Bedingungen. Die bemerkenswerte Stabilität der Co‐C(Carben)‐Bindung gegenüber Säuren ist sehr wahrscheinlich ein Grund für… Show more

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Cited by 28 publications
(1 citation statement)
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“…[19] In 2015, our group reported a robust pyridyl mesoionic carbene (MIC) [CoCp*] complex for electrochemical H + reduction with acetic acid. The complex showed a low overpotential of 130 mV and turnover frequencies (TOF) of 4×10 2 s À 1 with an outstanding turnover number (TON) of 650 000 at À 1.54 V. [20] Additionally, Rh complexes of pyridyl-MIC ligands have been reported to be efficient hydrogenation and hydrosilylation catalysts [21] and Cp*Ir complexes with similar ligands are active transfer hydrogenation catalysts. [22] Metal complexes of pyridyl-MIC ligands were also shown to be efficient CO 2 reduction electrocatalysts.…”
Section: Introductionmentioning
confidence: 99%
“…[19] In 2015, our group reported a robust pyridyl mesoionic carbene (MIC) [CoCp*] complex for electrochemical H + reduction with acetic acid. The complex showed a low overpotential of 130 mV and turnover frequencies (TOF) of 4×10 2 s À 1 with an outstanding turnover number (TON) of 650 000 at À 1.54 V. [20] Additionally, Rh complexes of pyridyl-MIC ligands have been reported to be efficient hydrogenation and hydrosilylation catalysts [21] and Cp*Ir complexes with similar ligands are active transfer hydrogenation catalysts. [22] Metal complexes of pyridyl-MIC ligands were also shown to be efficient CO 2 reduction electrocatalysts.…”
Section: Introductionmentioning
confidence: 99%