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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c01734
|2 doi
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|a pubmed24n1206.xml
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|a (NLM)37702778
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Lixin
|e verfasserin
|4 aut
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|a Size Effect of Platinum Nanoparticles over Platinum-Manganese Oxide on the Low-Temperature Oxidation of Toluene
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|c 2023
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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 26.09.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The effect of size of Pt nanoparticles has an important influence on the performance of supported Pt-based catalysts for the elimination of toluene. Herein, uniform Pt nanoparticles with average sizes of 1.5, 2.0, 2.5, 2.9, and 3.6 nm were obtained and supported on manganese oxide octahedral molecular sieves (OMS-2), and their catalytic performances for toluene oxidation were evaluated. Benefiting from the moderate interfacial interaction between nanoparticles and manganese oxide support, Pt/OMS-2-3 with the Pt particle size of 3.0 nm showed the best catalytic performance owing to the highest content of Pt2+ species. It also facilitates the formation of more abundant Mnδ+ (Mn2+ and Mn3+) and oxygen vacancies than that of the other sizes of the OMS-2-supported Pt nanoparticles, which can be filled by a large amount of adsorbed oxygen and converted into reactive oxygen species. We further showed that the resulting surface synergetic oxygen vacancies (Pt2+-Ov-Mnδ+) play a decisive part in catalyzing the complete oxidation of toluene. The result will provide new insights for designing efficient Pt-based catalysts for deep purification of toluene
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|a Journal Article
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1 |
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|a Zhong, Linjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Pinhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Haitao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Zhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tong, Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wan, Haiqin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Lin
|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 39(2023), 38 vom: 26. Sept., Seite 13620-13629
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2023
|g number:38
|g day:26
|g month:09
|g pages:13620-13629
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|u http://dx.doi.org/10.1021/acs.langmuir.3c01734
|3 Volltext
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|d 39
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