Converting CO2 into valuable chemicals has become a widely used research method for CO2 conversion. In this work, the catalytic performance of pyramidal-4Ni catalysts supported on rare earth metal-doped CeO2 toward CO2 reduction reaction (CO2RR) was investigated by using density-functional theory calculations. For rare earth metal-doped CeO2, 2Ce is substituted by 2 trivalent cations and at the same time one oxygen vacancy is created to make charge compensation. We investigated the oxygen vacancy nearest (VO,N) and next-nearest (VO,NN) to 4Ni, and found releasing CO and CO2 dissociation are the rate-determining steps, respectively, via the path of VO,N and VO,NN. Among the studied dopants (Ga, Sb, Lu, Gd, Pr, La, Bi), Gd is identified as the best dopant for catalyzing the reduction of CO2 at 823 K, with the turn-over frequency (TOF) of 104 times as large as that over 4Ni supported on pure CeO2. This exploration pro-vides theoretical support and guidance for the research and application of rare earth metaldoped CeO2-loaded Ni catalysts in the field of CO2 reduction.
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Insights into reduction of CO2 to CO catalyzed by pyramidal-4Ni clusters supported on doped CeO2(111)†
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October 01 2024
Insights into reduction of CO2 to CO catalyzed by pyramidal-4Ni clusters supported on doped CeO2(111)†
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Ruimin Qin;
Ruimin Qin
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
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Shenyu Shen;
Shenyu Shen
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
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Boyang Li;
Boyang Li
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
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Tingyi Zhu;
Tingyi Zhu
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
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Tiantian Wu;
Tiantian Wu
*
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
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Shujiang Ding;
Shujiang Ding
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
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Yaqiong Su
Yaqiong Su
*
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
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Ruimin Qin
Shenyu Shen
Boyang Li
Tingyi Zhu
Tiantian Wu
*
Shujiang Ding
Yaqiong Su
*
School of Chemistry, Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi’an Jiaotong University
, Xi’an 710049, China
Chin. J. Chem. Phys. 37, 591–598 (2024)
Article history
Received:
July 25 2024
Accepted:
September 11 2024
Citation
Ruimin Qin, Shenyu Shen, Boyang Li, Tingyi Zhu, Tiantian Wu, Shujiang Ding, Yaqiong Su; Insights into reduction of CO2 to CO catalyzed by pyramidal-4Ni clusters supported on doped CeO2(111). Chin. J. Chem. Phys. 1 October 2024; 37 (5): 591–598. https://doi.org/10.1063/1674-0068/cjcp2407097
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