Chemistry

Halogen hydrogen-bonded organic framework (XHOF) constructed by singlet open-shell diradical for efficient photoreduction of U(VI)

L. Feng, Y. Yuan, et al.

Discover the groundbreaking research by Lijuan Feng and colleagues on a novel halogen hydrogen-bonded organic framework (XHOF-TAQ) that demonstrates exceptional stability and catalytic efficiency in reducing uranium under light. This innovative material showcases remarkable potential for environmental remediation, with an impressive uranium immobilization capacity of 1708 mg-U g⁻¹-material.

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Abstract

This paper reports the fabrication of a halogen hydrogen-bonded organic framework (XHOF) using Cl⁻ ions as central connection nodes and 7,7,8,8-tetraaminoquinodimethane (TAQ) as organic ligands. The XHOF, denoted as XHOF-TAQ, exhibits high stability due to strong hydrogen bonds. Under light irradiation, XHOF-TAQ efficiently catalyzes the reduction of U(VI) to U(IV) with a capacity of 1708 mg-U g⁻¹-material, demonstrating its potential for uranium immobilization and environmental remediation. This work introduces a new type of crystalline framework material.

Publisher

Nature Communications

Published On

Mar 16, 2022

Authors

Lijuan Feng, Yihui Yuan, Bingjie Yan, Tiantian Feng, Yaping Jian, Jiacheng Zhang, Wenyan Sun, Ke Lin, Guangsheng Luo, Ning Wang

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