Nickel Ion Induced Multistage Assembly of Th<sub>13</sub> Cluster.
basic_science · Level V
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- Record sourced from PubMed, PMID 40301318.
- Also identified by DOI 10.1038/s41467-025-58590-z and PMC identifier 12041526.
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Abstract
Clusters have proven useful models to elucidate the correlation between macroscopic properties and microstructures. However, the actinide clusters still remain much less developed compared to the splendid and systematic works of other members of this family. Here we show the synthesis of a tetra-shell mixed-metal cluster [ThO<sub>8</sub>@Th<sub>12</sub>(OH)<sub>24</sub>@Ni<sub>6</sub>(H<sub>2</sub>O)<sub>18</sub>@(sba)<sub>12</sub>] (IHEP-25, H<sub>2</sub>sba: 2-sulfobenzoic acid) with the strategic introduction of competitive Ni<sup>2+</sup> ions. A cluster-based framework (IHEP-28), featuring a 2D honeycomb network and demonstrating excellent stability, has been constructed through the multistage assembly of IHEP-25, facilitated by the introduction of cationic cluster [Na<sub>4</sub>(OH)<sub>3</sub>(H<sub>2</sub>O)<sub>3</sub>]<sup>+</sup>. IHEP-28 acts as a highly effective visible light-driven photocatalyst for CO<sub>2</sub> reduction. This study demonstrates that the incorporation of heterometal ions not only alters the hydrolysis patterns of actinide metal ions, resulting in the formation of new actinide clusters, but also broadens their potential applications.