Dear Colleagues,

The versatility of the perovskite structures and their rich structure–property relations is attracting a rapidly-growing attention in catalyst research. Composed by a corner sharing network of metal-anion octahedra, which is stabilized by A-site cations, perovskites form a rather thermodynamically stable structure. This allows, not only the incorporation of many different metals from almost the entire periodic system, but it also offers pathways for tuning active states of the catalysts and finding strategies for the rational design of catalyst activity and stability. An actual important example is the change between the metal center and oxygen-based redox activity of transition metal perovskite oxides in electrochemical water oxidation, which require a deeper understanding of the relationships between electronic band structure, vacancy mechanisms, and catalytic properties. 

Even small changes in chemical composition, doping, or defect concentrations can have a tremendous effect on the electronic structure and other materials properties. This Special Issue, thus, aims at contributing to an improved understanding of atomic scale structure property relations of perovskites, double perovskites and Ruddlesden-Popper phases for different catalytic applications, such as electrodes for water oxidation, oxygen evolution and reduction, solid oxide fuel cells, membrane reactors, oxygen permeation membranes, and in other photo-/electrocatalytic reactions. We also invite research groups contributing studies on perovskite structure-property relations in anion substituted systems, such as oxinitrates or oxichlorides.

Prof. Dr. Christian Jooss
Prof. Dr. Yang Shao-Horn
Guest Editors

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• Perovskites
• Ruddlesden-Popper phases
• Anionic and cationic substitutions
• Electrodes for water oxidation
• Oxygen evolution and reduction
• Active sites and active states
• Oxygen and cation vacancies
• Defect reactions at surfaces
• Electronic properties
• Solid oxide fuel cell
• Oxygen permeation membrane
• Photo-/electrocatalytic mechanisms

• (Photo)Electrochemistry of Perovskites in Catalysts (3 articles)