Abstract Electrochemical carbon dioxide reduction (CO 2 R) to generate value added methanol (MeOH) in water has been considered as a potential strategy to realize efficient carbon cycle and reutilization. Cobalt phthalocyanine (CoPc) represents as a classical molecular catalyst carrying precisely tunable active sites, which has been widely explored for the CO 2 ‐to‐MeOH conversion, but optimization of performance is suffering from relatively easiness in desorption of *CO intermediate. To this end, we developed a novel molecular assembly of CoPc nanotubes (CoT) driven by van der Waals force with surface being modified by poly(4‐vinylpyridine). The as‐derived catalyst exhibited an exceptional performance of MeOH production for the turnover frequency enhanced by more than 14‐fold compared to the pristine CoT, and the Faradaic efficiency is up to 40% at a moderate potential. It revealed that the pyridyl groups of P4VP axially coordinated with the Co catalytic centers shifted the d‐band center toward the Fermi level, which strengthened the chemisorption and activation of *CO intermediates, thereby decreasing the whole barrier to produce MeOH. This work demonstrates a novel insight into intermediate manipulation of CO 2 R and highlights the potential of molecular electrocatalysis for carbon valorization.
Win et al. (Thu,) studied this question.
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