Premium
Cobalt‐Based Particles Formed upon Electrocatalytic Hydrogen Production by a Cobalt Pyridine Oxime Complex
Author(s) -
Ghachtouli Sanae El,
Guillot Regis,
Brisset Francois,
Aukauloo Ally
Publication year - 2013
Publication title -
chemsuschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.412
H-Index - 157
eISSN - 1864-564X
pISSN - 1864-5631
DOI - 10.1002/cssc.201300564
Subject(s) - cobalt , catalysis , oxime , electrochemistry , pyridine , chemistry , electrocatalyst , coordination sphere , hydrogen , combinatorial chemistry , hydrogen production , inorganic chemistry , organic chemistry , molecule , electrode
An open‐coordination‐sphere cobalt(III) oximato‐based complex was designed as a putative catalyst for the hydrogen evolution reaction (HER). Electrochemical alteration in the presence of acid occurs, leading to the formation of cobalt‐based particles that act as an efficient catalyst for HER at pH 7. The exact chemical nature of these particles is yet to be determined. This study thus raises interesting issues regarding the fate of molecular‐based complexes designed for the HER, and points to the challenging task of identifying the real catalytic species. Moreover, understanding and rationalizing the alteration pathways can be seen as a new route to reach catalytic particulates.