Enhancing iodine capture through a zirconium-based metal–organic cage featuring functionalized indole units

Shungang Yang; Zhengyang Wu; Kang Wang; Nan Wei; Yanyan Feng; Peng Cui; Yao Jiang

doi:10.1039/D5CC05987A

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Enhancing iodine capture through a zirconium-based metal–organic cage featuring functionalized indole units

Shungang Yang,^a Zhengyang Wu,^a Kang Wang,^a Nan Wei,^a Yanyan Feng,^a Peng Cui^a and Yao Jiang

*^a

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* Corresponding authors

^a School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
E-mail: yjiang@hfut.edu.cn

Abstract

This study develops an indole-functionalized zirconium-based metal–organic cage (Zr-MOC-Indole) for efficient iodine capture. The material exhibits high iodine vapor uptake and effective iodine removal from solution. Experimental and theoretical analyses reveal a synergistic adsorption mechanism involving charge transfer and hydrogen bonding, stabilizing polyiodides within the structure.

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DOI: https://doi.org/10.1039/D5CC05987A
Article type: Communication
Submitted: 24 Oct 2025
Accepted: 16 Dec 2025
First published: 17 Dec 2025

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Chem. Commun., 2026, Advance Article

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Enhancing iodine capture through a zirconium-based metal–organic cage featuring functionalized indole units

S. Yang, Z. Wu, K. Wang, N. Wei, Y. Feng, P. Cui and Y. Jiang, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D5CC05987A

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Chemical Communications

Enhancing iodine capture through a zirconium-based metal–organic cage featuring functionalized indole units

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Enhancing iodine capture through a zirconium-based metal–organic cage featuring functionalized indole units

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