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Exceptionally High ...
Exceptionally High Perfluorooctanoic Acid Uptake in Water by a Zirconium-Based Metal-Organic Framework through Synergistic Chemical and Physical Adsorption
- Article/chapterEnglish2024
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LIBRIS-ID:oai:DiVA.org:su-228101
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-228101URI
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https://doi.org/10.1021/jacs.3c14487DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Perfluorooctanoic acid (PFOA) is an environmental contaminant ubiquitous in water resources, which as a xenobiotic and carcinogenic agent, severely endangers human health. The development of techniques for its efficient removal is therefore highly sought after. Herein, we demonstrate an unprecedented zirconium-based MOF (PCN-999) possessing Zr-6 and biformate-bridged (Zr-6)(2) clusters simultaneously, which exhibits an exceptional PFOA uptake of 1089 mg/g (2.63 mmol/g), representing a ca. 50% increase over the previous record for MOFs. Single-crystal X-ray diffraction studies and computational analysis revealed that the (Zr-6)(2) clusters offer additional open coordination sites for hosting PFOA. The coordinated PFOAs further enhance the interaction between coordinated and free PFOAs for physical adsorption, boosting the adsorption capacity to an unparalleled high standard. Our findings represent a major step forward in the fundamental understanding of the MOF-based PFOA removal mechanism, paving the way toward the rational design of next-generation adsorbents for per- and polyfluoroalkyl substance (PFAS) removal.
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Xu, Shunqi
(author)
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Han, Zongsu
(author)
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Yang, Yihao
(author)
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Wang, Kun-Yu
(author)
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Huang, ZhehaoStockholms universitet,Institutionen för material- och miljökemi (MMK)(Swepub:su)zhuan
(author)
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Rushlow, Joshua
(author)
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Cai, Peiyu
(author)
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Samori, Paolo
(author)
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Zhou, Hong-Cai
(author)
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Stockholms universitetInstitutionen för material- och miljökemi (MMK)
(creator_code:org_t)
Related titles
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In:Journal of the American Chemical Society146:14, s. 9811-98180002-78631520-5126
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- By the author/editor
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Liang, Rong-Ran
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Xu, Shunqi
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Han, Zongsu
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Yang, Yihao
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Wang, Kun-Yu
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Huang, Zhehao
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show more...
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Rushlow, Joshua
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Cai, Peiyu
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Samori, Paolo
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Zhou, Hong-Cai
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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Journal of the A ...
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Stockholm University