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Type: 
Journal
Description: 
Layered double hydroxides (LDHs) have been widely studied for their plethora of fascinating features and applications. The potentiostatic electrodeposition of LDHs has been extensively applied in the literature as a fast and direct method to substitute classical chemical routes. However, the electrochemical approach does not usually allow for a fine control of the MII/MIII ratio in the synthesized material. By employing a recently proposed potentiodynamic method, LDH films of controlled composition are herein prepared with good reproducibility, using different ratios of the trivalent (Fe or Al) to bivalent (Co) cations in the electrolytic solution. All the obtained materials are shown to be effective oxygen evolution reaction (OER) catalysts, and are thoroughly characterized by a multi‐technique approach, including FE‐SEM, XRD, Raman, AES and a wide range of electrochemical procedures.
Publisher: 
Publication date: 
18 Dec 2019
Authors: 

Elisa Musella, Isacco Gualandi, Erika Scavetta, Massimo Gazzano, Arianna Rivalta, Elisabetta Venuti, Meganne Christian, Vittorio Morandi, Domenica Tonelli

Biblio References: 
Volume: 25 Issue: 71 Pages: 16301-16310
Origin: 
Chemistry–A European Journal