Metal layers with subwavelength texturing for broadband enhancement of photocatalytic processes in microreactors

Rašljić, Milena; Obradov, Marko; Lazić, Žarko; Radović, Dana Vasiljević; Čupić, Željko; Stanisavljev, Dragomir R.

doi:10.1007/s11082-018-1507-z

Cited by 3 publications

(1 citation statement)

References 13 publications

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“…EDS mapping reveals non-uniform Mg distribution on the fractured surface, indicating uneven Mg stripping. We hypothesize that the Mg electrode is corroded upon contact with t BuBr, resulting in a rough electrode surface that has an uneven electric field distribution. − The uneven electric field distribution leads to non-uniform Mg stripping, which enhances the roughness of the electrode surface. , The fractured surface provides sites for the nucleation of Mg 2+ salts, resulting in an increase in impedance and the observed potential increase at the Mg electrode.…”

Section: Results and Discussionmentioning

confidence: 99%

Improving the Mg Sacrificial Anode in Tetrahydrofuran for Synthetic Electrochemistry by Tailoring Electrolyte Composition

Zhang

Wang

et al. 2023

JACS Au

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Mg0 is commonly used as a sacrificial anode in reductive electrosynthesis. While numerous methodologies using a Mg sacrificial anode have been successfully developed, the optimization of the electrochemistry at the anode, i.e., Mg stripping, remains empirical. In practice, electrolytes and organic substrates often passivate the Mg electrode surface, which leads to high overall cell potential causing poor energy efficiency and limiting reaction scale-up. In this study, we seek to understand and manipulate the Mg metal interfaces for a more effective counter electrode in tetrahydrofuran. Our results suggest that the ionic interactions between the cation and the anion of a supporting electrolyte can influence the electrical double layer, which impacts the Mg stripping efficiency. We find halide salt additives can prevent passivation on the Mg electrode by influencing the composition of the solid electrolyte interphase. This study demonstrates that, by tailoring the electrolyte composition, we can modify the Mg stripping process and enable a streamlined optimization process for the development of new electrosynthetic methodologies.

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