Thiol-functionalized UiO-66 anchored atomically dispersed metal ions for the photocatalytic selective oxidation of benzyl alcohol

Thiol-functionalized UiO-66-anchored atomically dispersed metal ions, denoted as UiO-66(SM) 2 (M = Pd, Pt, or Au), were prepared as photocatalysts for the selective oxidation of benzyl alcohol (BA) to benzaldehyde (BAD) under visible light irradiation. The introduction of the thiol group shifted the...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2021-11, Vol.57 (91), p.12151-12154
Main Authors: Guo, Binbin, Chen, Rui, Guo, Wei, Kang, Yueyue, Wu, Ling
Format: Article
Language:English
Subjects:
Benzaldehyde
Benzyl alcohol
Dispersion
Electromagnetic absorption
Gold
Light irradiation
Metal ions
Oxidation
Palladium
Photocatalysis
Selectivity
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Summary:Thiol-functionalized UiO-66-anchored atomically dispersed metal ions, denoted as UiO-66(SM) 2 (M = Pd, Pt, or Au), were prepared as photocatalysts for the selective oxidation of benzyl alcohol (BA) to benzaldehyde (BAD) under visible light irradiation. The introduction of the thiol group shifted the light absorption edge of UiO-66 from the ultraviolet (UV) to the visible light region, minimized the bandgap, and improved the selectivity of producing BAD from 26.8% to 99.9%. The conversion of BA was greatly boosted from 8.9% to 33.4% after atomically dispersed metal ions were anchored. The use of thiol-functionalized UiO-66-anchored atomically dispersed metal ions as photocatalysts can improve the selectivity and conversion of benzyl alcohol to benzaldehyde.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc05102d