ArticleSmall (Weinheim an der Bergstrasse, Germany)2025
Self-Assembled Pd(II) Nano-Adsorbents for Iodine and Methyl Iodide Capture in Vapor and Aqueous Phases.
Article in Small (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Self-Healing Pd(II) Cage Metallogels for Iodine Capture in Water and Heterogeneous Photocatalysis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Reversible iodine capture by nonporous adaptive hybrid[3]arene crystals.Chemical science · 2026Article
- Microporous Self-Assembled Pd(II) Tetrahedral Cages for Rapid and Reversible Multi-Phase Sequestration of Iodine and Methyl Iodide.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Self-Assembled Pd(II) Nano-Adsorbents for Iodine and Methyl Iodide Capture in Vapor and Aqueous Phases.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
The excessive release of iodine from industrial and medical activities has led to severe contamination of air and water, causing major concern to public health. Effective capture and secure storage of radioactive iodine in both vapor and aqueous phases are crucial for nuclear safety and ecological protection. In this study, it is explore four non-porous metal-organic coordination cages (MC1-MC4) comprising of Pd-acceptors and diverse aromatic ligands for iodine adsorption across different media. These cages exhibit remarkable iodine uptake, reaching 3.38 g g⁻¹ in the vapor phase at 75 °C and ≈2.73 g g⁻¹ in aqueous solution, with significantly faster adsorption kinetics than covalent organic framework (COF)- and metal-organic framework (MOF)-based materials. Moreover, high adsorption capacities are observed in dynamic flow-through experiments, with MC2 achieving an elution volume of up to 7.8 L g⁻¹ in a 0.5 mM I₃⁻ solution. Practical tests confirm their efficiency in removing iodine from seawater and drinking water, reducing 5 ppm concentrations to ppb levels. Additionally, the cages exhibit outstanding adsorption of methyl iodide vapor, achieving uptake capacities as high as 0.94 g g⁻¹ under ambient conditions. With high stability, recyclability, and scalable synthesis, these metal-organic cages emerge as promising nano-adsorbents for iodine and methyl iodide removal from various environmental matrices.
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Registered trials
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