Codesign of an integrated metal–insulator–semiconductor photocathode for photoelectrochemical reduction of CO2 to ethylene

Chanyeon Kim; Alex J. King; Shaul Aloni; Francesca M. Toma; Adam Z. Weber; Alexis Bell

doi:10.1039/d2ee03525a

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Codesign of an integrated metal–insulator–semiconductor photocathode for photoelectrochemical reduction of CO2 to ethylene

Article 2023 en

Abstract

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Photoelectrochemical CO 2 reduction to ethylene is achieved by codesigning a Cu/TiO 2 /p-Si photoelectrode. Bilayer ionomer coatings and electrolyte-side illumination enable 4× more ethylene compared to no coatings and semiconductor-side illumination.

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Codesign of an integrated metal–insulator–semiconductor photocathode for photoelectrochemical reduction of CO<sub>2</sub> to ethylene

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