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Article Abstract
Heterogeneous photocatalysts, characterized by well-defined atomic structures and the capacity for rapid, directional electron transfer, are pivotal in the exploration and development of highly efficient systems for visible-light-driven diluted CO reduction. Herein, we constructed highly reduced phosphomolybdates crystalline materials - to help this process, with the formula of [Co(CNH)][Co(CNH)(HO)][Co(HPMoO)]·8HO (), [Ni(CNH)(HO)][Ni(CNH)][Ni(HO)][Ni(HPMoO)]·3HO·2CHOH (), and [Zn(CNH)][Zn(CNH)][Zn(CNH)(HO)][Zn(HPMoO)] () [CNH = 2-(1H-pyrazol-3-yl)pyridine]. Specifically, catalyst demonstrated a CO production rate of 3276.4 μmol g h in an environment with 20% CO concentration, and an impressively elevated rate of 10740.3 μmol g h in a pure CO atmosphere. Steady-state photoluminescence spectroscopy revealed that the directional migration of photoelectrons from the Ru complexes to the catalyst was instrumental in enhancing the catalytic activity. This study provides valuable insights into the rational operation of low-concentration CO conversion treatment and the design and synthesis of photocatalysts.
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| http://dx.doi.org/10.1021/acs.inorgchem.4c03810 | DOI Listing |
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