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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202306906
|2 doi
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|a eng
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|a Huang, Juan-Ru
|e verfasserin
|4 aut
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|a Water-Mediated Selectivity Control of CH3 OH versus CO/CH4 in CO2 Photoreduction on Single-Atom Implanted Nanotube Arrays
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 02.03.2024
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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 Controllable methanol production in artificial photosynthesis is highly desirable due to its high energy density and ease of storage. Herein, single atom Fe is implanted into TiO2 /SrTiO3 (TSr) nanotube arrays by two-step anodization and Sr-induced crystallization. The resulting Fe-TSr with both single Fe reduction centers and dominant oxidation facets (001) contributes to efficient CO2 photoreduction and water oxidation for controlled production of CH3 OH and CO/CH4 . The methanol yield can reach to 154.20 µmol gcat -1 h-1 with 98.90% selectivity by immersing all the catalyst in pure water, and the yield of CO/CH4 is 147.48 µmol gcat -1 h-1 with >99.99% selectivity when the catalyst completely outside water. This CH3 OH yield is 50 and 3 times higher than that of TiO2 and TSr and stands among all the state-of-the-art catalysts. The facile gas-solid and gas-liquid-solid phase switch can selectively control CH3 OH production from ≈0% (above H2 O) to 98.90% (in H2 O) via slowly immersing the catalyst into water, where abundant •OH and H2 O around Fe sites play important role in selective CH3 OH production. This work highlights a new insight for water-mediated CO2 photoreduction to controllably produce CH3 OH
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|a Journal Article
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|a CO2 photoreduction
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|a methanol
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|a nanotube arrays
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|a photocatalysis
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|a single atom
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|a Shi, Wen-Xiong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Shen-Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Hao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jiangwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Tong-Bu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zhi-Ming
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 9 vom: 07. März, Seite e2306906
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:9
|g day:07
|g month:03
|g pages:e2306906
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|u http://dx.doi.org/10.1002/adma.202306906
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