Electrochemistry of Isopoly and Heteropoly Oxometalates

<jats:title>Abstract</jats:title> <jats:p>The sections in this article are</jats:p> <jats:sec> <jats:title>Introduction</jats:title> <jats:sec> <jats:title>Definitions</jats:title> </jats:sec> <jats:sec> <jats:title>General Properties, Literature, and Topics Covered</jats:title> </jats:sec> </jats:sec> <jats:sec> <jats:title> A simplified Overview of the Formation of <jats:styled-content style="fixed-case">POMs</jats:styled-content> </jats:title> </jats:sec> <jats:sec> <jats:title> Fundamental Redox Mechanisms of <jats:styled-content style="fixed-case">POMs</jats:styled-content> at Electrodes </jats:title> <jats:sec> <jats:title> Electrochemical Reductions of Selected Plenary <jats:styled-content style="fixed-case">POMs</jats:styled-content> : α‐[ <jats:styled-content style="fixed-case">Si</jats:styled-content> <jats:styled-content style="fixed-case">W</jats:styled-content> <jats:sub>12</jats:sub> <jats:styled-content style="fixed-case">O</jats:styled-content> <jats:sub>40</jats:sub> ] <jats:sup>4−</jats:sup> , α‐[ <jats:styled-content style="fixed-case">PW</jats:styled-content> <jats:sub>12</jats:sub> <jats:styled-content style="fixed-case">O</jats:styled-content> <jats:sub>40</jats:sub> ] <jats:sup>3−</jats:sup> , α‐[ <jats:styled-content style="fixed-case">P</jats:styled-content> <jats:sub>2</jats:sub> <jats:styled-content style="fixed-case">W</jats:styled-content> <jats:sub>18</jats:sub> O <jats:sub>62</jats:sub> ] <jats:sup>6−</jats:sup> , and α‐[ <jats:styled-content style="fixed-case">H</jats:styled-content> <jats:sub>2</jats:sub> <jats:styled-content style="fixed-case">W</jats:styled-content> <jats:sub>12</jats:sub> <jats:styled-content style="fixed-case">O</jats:styled-content> <jats:sub>40</jats:sub> ] <jats:sup>6−</jats:sup> </jats:title> <jats:sec> <jats:title>Aqueous Media</jats:title> </jats:sec> <jats:sec> <jats:title>Nonaqueous and Mixed Solvents</jats:title> </jats:sec> </jats:sec> <jats:sec> <jats:title> Quinone/hydroquinone‐like Behaviors in the First Several Reduction Waves of <jats:styled-content style="fixed-case">POMs</jats:styled-content> </jats:title> </jats:sec> </jats:sec> <jats:sec> <jats:title> Selected Achievements that Illustrate the Basic Behaviors of Plenary <jats:styled-content style="fixed-case">POMs</jats:styled-content> at Electrodes </jats:title> <jats:sec> <jats:title> Heterogeneous One‐electron Exchange of α‐[ <jats:styled-content style="fixed-case">Si</jats:styled-content> <jats:styled-content style="fixed-case">W</jats:styled-content> <jats:sub>12</jats:sub> <jats:styled-content style="fixed-case">O</jats:styled-content> <jats:sub>40</jats:sub> ] <jats:sup>4−</jats:sup> in Dimethylformamide </jats:title> </jats:sec> <jats:sec> <jats:title>The Reduction Potential of the One‐electron Wave and the Role of the Central Heteroatom</jats:title> </jats:sec> <jats:sec> <jats:title>Isomerization upon Reduction</jats:title> </jats:sec> <jats:sec> <jats:title> <jats:styled-content style="fixed-case">POM</jats:styled-content> ‐solvent Interactions as Probed by the Redox Potentials of Two <jats:styled-content style="fixed-case">POMs</jats:styled-content> </jats:title> </jats:sec> <jats:sec> <jats:title> Structure of Electrolyte Solutions As Probed by the Electrochemical Behaviors of <jats:styled-content style="fixed-case">POMs</jats:styled-content> </jats:title> </jats:sec> <jats:sec> <jats:ti ...