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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202307217
|2 doi
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|a pubmed24n1206.xml
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|a (DE-627)NLM362015104
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|a (NLM)37704217
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Li, Ruizhe
|e verfasserin
|4 aut
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|a Unleashing the Full Potential of Photo-Driven CO Hydrogenation to Light Olefins over Carbon-Coated CoMn-Based Catalysts
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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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|a Date Revised 02.11.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a As a nonpetroleum process, photodriven Fischer-Tropsch synthesis provides a practical approach for the synthesis of light olefins. However, maximizing the solar-energy conversion efficiency based on the design of the composite catalyst and understanding the catalytic mechanism remain challenging. Herein, a novel carbon-coated CoMn-based catalyst, a C-coated mixture of Co and MnO, is designed for the efficient conversion of syngas to light olefins under light irradiation. The CoMnC-450 catalyst exhibits a CO conversion of 12.6% with a selectivity to light olefins of 36.5% under light irradiation, showing 5.5-fold the activity of thermocatalysis. Experimental characterizations as certain the CoMnC-450 catalyst can be excited to generate photogenerated carriers under light irradiation and then the electron transfer to metallic Co to form electron-rich active sites with carbon mediation, thereby enhancing the catalytic performance. In situ Fourier transform infrared spectroscopy and theoretical calculation based on density functional theory reveal the unique roles of photogenerated carriers in promoting the adsorption and activation of CO molecules. This study demonstrates a feasible catalyst model to efficiently utilize full-spectral solar light to produce the value-added chemical
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|a Journal Article
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|a Co-based catalysts
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|a Fischer-Tropsch synthesis
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|a light olefins
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|a photo-generated carriers
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|a photodriven catalysis
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1 |
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|a Li, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Zhenhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ouyang, Shuxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Hong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Tierui
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 44 vom: 13. Nov., Seite e2307217
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:44
|g day:13
|g month:11
|g pages:e2307217
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|u http://dx.doi.org/10.1002/adma.202307217
|3 Volltext
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