Journal
MATERIALS LETTERS
Volume 324, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2022.132614
Keywords
CO (2) reduction; Cobalt phthalocyanine; Overpotential; Carbon monoxide
Funding
- Princess Nourah bint Abdulrahman University Researchers Supporting Project, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia [PNURSP2022R230]
- Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
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In this study, cobalt phthalocyanine immobilized on carbon cloth (CoPc/CC) was used as a catalyst for the conversion of CO2 to CO. The catalyst exhibited high selectivity and conversion efficiency, and maintained stability during electrolysis.
CO(2)d reduction to carbon neutral fuels requires selective and well-designed catalysts. Herein, we report the cobalt phthalocyanine on carbon cloth (CoPc/CC) for CO2-to-CO electroreduction in water (pH = 7.2). The CoPc was immobilized using sono-deposition method. The sono-immobilized CoPc (noted sono-CoPc/CC) exhibited a high selectivity for CO production over a wide range of potentials from-0.5 to-0.9 V vs. RHE. Interestingly, The CO faradaic efficiency is over 80 % in the studied potentials range. The conversion efficiency to CO production reached 96% at-0.9 V. The CoPc/CC catalyst retains its selectivity without no sign of degradation for 10 h of electrolysis. This paper gives a new trend to heterogenized molecular catalysts on carbon supports.
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