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ShanghaiTech University Knowledge Management System
CeO2 supported Pd dimers boosting CO2 hydrogenation to ethanol | |
2021-08-15 | |
发表期刊 | APPLIED CATALYSIS B-ENVIRONMENTAL (IF:20.2[JCR-2023],18.9[5-Year]) |
ISSN | 0926-3373 |
EISSN | 1873-3883 |
卷号 | 291 |
发表状态 | 已发表 |
DOI | 10.1016/j.apcatb.2021.120122 |
摘要 | Hydrogenation of CO2 into valuable chemicals is of great significance but very challenging due to its chemical inertness and selectivity controlling. Here, we report that CeO2 supported Pd dimers can efficiently convert CO2 to ethanol with significantly higher activity and selectivity compared to those in literatures, which gives a selectivity of 99.2 % to ethanol with a space-time yield of 45.6 g(ethanol) g(Pd)(-1) h(-1). The Pd dimers possessing unique Pd2O4 configuration and high homogeneity enables to directly dissociate CO2 to CO, trigger C-C coupling but appropriately inhibit further C2+ coupling, which benefits to selectively form ethanol. The Pd2O4 configuration can strongly bind CO on Pd-2/CeO2, which prevents CO desorption and promotes the coupling between CO and CH3 intermediates to form the precursor of ethanol. The strategy of constructing atom-precision active sites reported in this work opens new avenues to develop highly selective catalysts for CO2/CO hydrogenation reactions. |
关键词 | CO2 hydrogenation Pd dimer Ethanol CeO2 |
收录类别 | SCIE ; EI |
语种 | 英语 |
WOS研究方向 | Chemistry ; Engineering |
WOS类目 | Chemistry, Physical ; Engineering, Environmental ; Engineering, Chemical |
WOS记录号 | WOS:000663287600005 |
出版者 | ELSEVIER |
原始文献类型 | Article |
引用统计 | 正在获取...
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文献类型 | 期刊论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/127558 |
专题 | 物质科学与技术学院_硕士生 物质科学与技术学院_PI研究组_杨波组 |
共同第一作者 | Jiang, Feng |
通讯作者 | Jiang, Feng; Yang, Bo; Yang, Bing; Zhu, Yongfa; Liu, Xiaohao |
作者单位 | 1.Jiangnan Univ, Sch Chem & Mat Engn, Key Lab Synthet & Biol Colloids, Minist Educ, Wuxi 214122, Jiangsu, Peoples R China; 2.Jiangnan Univ, Int Joint Res Ctr Photorespons Mol & Mat, Wuxi 214122, Jiangsu, Peoples R China; 3.ShanghaiTech Univ, Sch Phys Sci & Technol, 393 Middle Huaxia Rd, Shanghai 201210, Peoples R China; 4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China; 5.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China |
通讯作者单位 | 物质科学与技术学院 |
推荐引用方式 GB/T 7714 | Lou, Yang,Jiang, Feng,Zhu, Wen,et al. CeO2 supported Pd dimers boosting CO2 hydrogenation to ethanol[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2021,291. |
APA | Lou, Yang.,Jiang, Feng.,Zhu, Wen.,Wang, Li.,Yao, Tingyi.,...&Liu, Xiaohao.(2021).CeO2 supported Pd dimers boosting CO2 hydrogenation to ethanol.APPLIED CATALYSIS B-ENVIRONMENTAL,291. |
MLA | Lou, Yang,et al."CeO2 supported Pd dimers boosting CO2 hydrogenation to ethanol".APPLIED CATALYSIS B-ENVIRONMENTAL 291(2021). |
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