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241116s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c03938
|2 doi
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|a eng
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| 100 |
1 |
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|a Qiu, Haoyang
|e verfasserin
|4 aut
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| 245 |
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|a Transition Metals Doped into g-C3N4 via N,O Coordination as Efficient Electrocatalysts for the Carbon Dioxide Reduction Reaction
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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 26.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The electrochemical carbon dioxide reduction reaction (CO2RR) is a potential and efficient method that can directly convert CO2 into high-value-added chemicals under mild conditions. Owing to the exceptionally high activation barriers of CO2, catalysts play a pivotal role in CO2RR. In this study, the transition metal (TM = Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn) is doped into g-C3N4 with a unique N,O-coordination environment, namely, TM-N1O2/g-C3N4. Herein, the catalytic performance and reaction mechanism for the CO2RR on TM-N1O2/g-C3N4 are systematically investigated by density functional theory methods. Especially, through the calculation of ΔG*H and ΔG*COOH/ΔG*OCHO, the catalysts with preference for the CO2RR over the hydrogen evolution reaction (HER) are selected for further study. Furthermore, Gibbs free energy computation results of each elementary step for the CO2RR on these catalysts indicate that Ti-N1O2/g-C3N4 has significant catalytic activity and selectivity for reducing CO2 to methanol (CH3OH) with the limiting potential (UL) of -0.55 V. Finally, through frontier molecular orbital theory and charge transfer analyses, the introduction of the O atoms illustrates that it is instrumental in regulating the electron distribution of the catalytic active site, thereby improving the catalytic performance. This work provides insight into the design of single-atom catalysts with unique coordination structures for the CO2RR
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|a Journal Article
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1 |
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|a Yang, Huohai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leng, Manxi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ge, Xingbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Xu
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Xin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 47 vom: 26. Nov., Seite 25344-25353
|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:47
|g day:26
|g month:11
|g pages:25344-25353
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|u http://dx.doi.org/10.1021/acs.langmuir.4c03938
|3 Volltext
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