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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b02582
|2 doi
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|a eng
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|a Liu, Yanyang
|e verfasserin
|4 aut
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|a Selective Photocatalytic Oxidation of Thioanisole on DUT-67(Zr) Mediated by Surface Coordination
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|c 2020
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 10.03.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a DUT-67(Zr) was obtained by a solvothermal route and applied to photocatalytic selective synthesis of thioanisole under light illuminating. The conversion of thioanisole is up to 95%, and the selectivity of methyl phenyl sulfoxide is 98%. The activity of DUT-67(Zr) is over 10 times higher than that of UiO-66. This great increased activity is attributed to the high percentages of oxygen vacancies on DUT-67(Zr). The ESR result shows there are more oxygen vacancies that can expose high density unsaturated Zr sites on DUT-67(Zr). The in situ FTIR reveals that unsaturated Zr sites on DUT-67(Zr) possess Lewis acidity which facilitate the adsorption of the substrates to form the coordination species, promoting the activation of thioanisole. The absorption edge of DUT-67(Zr) with coordination species red-shifts to 360 nm, which can be presented by DRS. Furthermore, the oxygen molecules can be activated by excited electrons to form •O2-. Finally, a possible photocatalytic process of oxidating thioanisole to methyl phenyl sulfoxide based on the coordination effect between DUT-67(Zr) and thioanisole is proposed at a molecular level
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|a Journal Article
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|a Zou, Junhua
|e verfasserin
|4 aut
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|a Guo, Binbin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ren, Yahang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Zhitong
|e verfasserin
|4 aut
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| 700 |
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|a Song, Yujie
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Yan
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Ling
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 36(2020), 9 vom: 10. März, Seite 2199-2208
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:36
|g year:2020
|g number:9
|g day:10
|g month:03
|g pages:2199-2208
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|u http://dx.doi.org/10.1021/acs.langmuir.9b02582
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