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240625s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c01209
|2 doi
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|a pubmed24n1465.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Peng, Ruosi
|e verfasserin
|4 aut
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|a Catalytic Oxidation of Toluene over Pt/CeO2 Catalysts
|b A Double-Edged Sword Effect of Strong Metal-Support Interaction
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 09.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Strong metal-support interaction (SMSI), which has drawn widespread attention in heterogeneous catalysis, is thought to significantly affect the catalytic performance for volatile organic chemical (VOC) abatement. In the present study, strong interactions between platinum and ceria are constructed by modulating the oxygen vacancy concentration of CeO2 through a NaBH4 reduction method. For a catalyst with higher content of oxygen vacancy, more electrons would transfer from ceria to Pt, which is attributed to the stronger effect of SMSI. The obtained electron-richer Pt sites exhibit higher ability for toluene activation, contributing to better performance for toluene oxidation. On the other hand, the stronger metal-support interaction would facilitate CeOx species migrating to the Pt nanoparticle surface and forming an encapsulated structure. Smaller Pt dispersion leads to fewer sites for toluene adsorption and activation, which is to the disadvantage of the reaction. Therefore, taking the negative and positive effects together, the Pt/CeO2-0.5 catalyst has the highest catalytic performance for toluene abatement. Our study provides new insights into strong metal-support interaction on toluene oxidation and contributes to designing noble metal catalysts for VOC abatement
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|a Journal Article
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1 |
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|a Wen, Shuxian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Haozhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, You
|e verfasserin
|4 aut
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| 700 |
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|a Sun, Yuhai
|e verfasserin
|4 aut
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| 700 |
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|a Liang, Zheng
|e verfasserin
|4 aut
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| 700 |
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|a Ye, Daiqi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 27 vom: 09. Juli, Seite 13984-13994
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:27
|g day:09
|g month:07
|g pages:13984-13994
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01209
|3 Volltext
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|h 13984-13994
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