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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202200929
|2 doi
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|a pubmed25n1133.xml
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Cheng, Lei
|e verfasserin
|4 aut
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| 245 |
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|a Site-Specific Electron-Driving Observations of CO2 -to-CH4 Photoreduction on Co-Doped CeO2 /Crystalline Carbon Nitride S-Scheme Heterojunctions
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 07.07.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Photoexcited dynamic modulation, maximizing the effective utilization of photoinduced electron-hole pairs, dominates the multiple electrons-involving reduction pathways for terminal CH4 evolution during CO2 photoreduction. Yet, the site-specific regulation of directional charge transfer by modification of an S-scheme heterojunction has seldom been discussed. Herein, an atomic-level tailoring strategy by anchoring single-atomic Co into CeO2 co-catalyst rather than carbon nitride supports, which can selectively favor CO2 -to-CH4 photoreduction, is reported. Through in situ dynamic tracking investigations, this study identifies that surface Co-embedded bimetallic CeCo conjunction is the key feature driving a strong interconnection of dynamical charge states through S-scheme heterojunctions. The Co-embedded modification into CeO2 co-catalysts is demonstrated to have a critical effect on directional charge control, accelerating the driving of electrons from the carbon nitride donations to site-specific Co hubs, which thereby promotes electronic transferability for electrons-involving CH4 formation. As a result, an unprecedented CH4 yield (181.7 µmol g-1 ) is obtained with a high turnover number (411.4) through a fully gas-solid reaction, demonstrating its potential toward targeted CH4 formation without adding any sacrificial agent
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|a Journal Article
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|a CO2-to-CH4 photoreduction
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|a S-scheme heterojunctions
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|a bimetallic co-catalyst regulation
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|a crystalline carbon nitride
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|a directional charge transfer
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| 700 |
1 |
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|a Yue, Xiaoyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Jiajie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiang, Quanjun
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 27 vom: 27. Juli, Seite e2200929
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:27
|g day:27
|g month:07
|g pages:e2200929
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202200929
|3 Volltext
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