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A State-of-the-Art of Metal-Organic Frameworks for Chromium Photoreduction Vs. Photocatalytic Water Remediation

Abstract

Hexavalent chromium (Cr(VI)) is a highly mobile cancerogenic and teratogenic heavy metal ion. Among the varied technologies applied today to address chromium water pollution, photocatalysis offers a rapid reduction of Cr(VI) to the less toxic Cr(III). In contrast to classic photocatalysts, Metal-Organic frameworks (MOFs) are porous semiconductors that can couple the Cr(VI) to Cr(III) photoreduction to the chromium species immobilization. In this minireview, we wish to discuss and analyze the state-of-the-art of MOFs for Cr(VI) detoxification and contextualizing it to the most recent advances and strategies of MOFs for photocatalysis purposes. The minireview has been structured in three sections: (i) a detailed discussion of the specific experimental techniques employed to characterize MOF photocatalysts, (ii) a description and identification of the key characteristics of MOFs for Cr(VI) photoreduction, and (iii) an outlook and perspective section in order to identify future trends.

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References
1.
Ji Z, Freund R, Diercks C, Hirschle P, Yaghi O, Wuttke S . From Molecules to Frameworks to Superframework Crystals. Adv Mater. 2021; 33(42):e2103808. DOI: 10.1002/adma.202103808. View

2.
Li Z, Schweitzer N, League A, Bernales V, Peters A, Getsoian A . Sintering-Resistant Single-Site Nickel Catalyst Supported by Metal-Organic Framework. J Am Chem Soc. 2016; 138(6):1977-82. DOI: 10.1021/jacs.5b12515. View

3.
Freund R, Zaremba O, Arnauts G, Ameloot R, Skorupskii G, Dinca M . The Current Status of MOF and COF Applications. Angew Chem Int Ed Engl. 2021; 60(45):23975-24001. DOI: 10.1002/anie.202106259. View

4.
Osborn Popp T, Yaghi O . Sequence-Dependent Materials. Acc Chem Res. 2017; 50(3):532-534. DOI: 10.1021/acs.accounts.6b00529. View

5.
Zhao C, Wang J, Chen X, Wang Z, Ji H, Chen L . Bifunctional BiOCl/MIL-100(Fe) composites toward photocatalytic Cr(VI) sequestration and activation of persulfate for bisphenol A degradation. Sci Total Environ. 2020; 752:141901. DOI: 10.1016/j.scitotenv.2020.141901. View