A Multifunctional Porous Uranyl Phosphonate Framework for Cyclic Utilization: Salvages, Uranyl Leaking Prevention, and Fluorescent Sensing

The material for managing and monitoring waste made from the waste itself is an excellent example of cyclic utilization, which could reduce issues and be more sustainable. A three-dimensional porous uranyl phosphonate MOF (UPF-105) was synthesized via a hydrothermal method. UPF-105 is stable in aque...

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Published inACS applied materials & interfaces Vol. 14; no. 12; pp. 14380 - 14387
Main Authors Zhao, Hongxia, Qi, Chao, Yan, Xuewu, Ji, Jinyan, Chai, Zhifang, Wang, Shuao, Zheng, Tao
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 30.03.2022
Subjects
Functional Inorganic Materials and Devices
adsorption
MOFs
uranium
fluorescence
phosphonate
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Summary:The material for managing and monitoring waste made from the waste itself is an excellent example of cyclic utilization, which could reduce issues and be more sustainable. A three-dimensional porous uranyl phosphonate MOF (UPF-105) was synthesized via a hydrothermal method. UPF-105 is stable in aqueous solution with pH in the range of 1–11 and maintains crystallinity below 215 °C. The uncoordinated phosphonate groups in the channels act as functional anchors to selectively capture uranyl ions, with a maximum uranium adsorption capacity of 170.23 mg g–1. The fluorescence of UPF-105 makes it a good candidate for a uranyl ion sensor in uranium-contaminated solutions with concentrations in the range of 5–90 ppm.
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ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.2c01671