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Bismuth Single Atoms Resulting from Transformation of Metal-Organic Frameworks and Their Use as Electrocatalysts for CO2 Reduction
Zhang, EH; Wang, T; Yu, K; Liu, J; Chen, WX; Li, A; Rong, HP; Lin, R; Ji, SF; Zhene, XS; Wang, Y; Zheng, LR; Chen, C; Wang, DS; Zhang, JT; Li, YD
2019
Source PublicationJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
ISSN0002-7863
Volume141Issue:42Pages:16569-16573
Subtype期刊论文
AbstractThe electrocatalytic reduction reaction of CO2 (CO2RR) is a promising strategy to promote the global carbon balance and combat global climate change. Herein, exclusive Bi-N-4 sites on porous carbon networks can be achieved through thermal decomposition of a bismuth-based metal-organic framework (Bi-MOF) and dicyandiamide (DCD) for CO2RR. Interestingly, in situ environmental transmission electron microscopy (ETEM) analysis not only directly shows the reduction from Bi-MOF into Bi nanoparticles (NPs) but also exhibits subsequent atomization of Bi NPs assisted by the NH3 released from the decomposition of DCD. Our catalyst exhibits high intrinsic CO2 reduction activity for CO conversion, with a high Faradaic efficiency (FECO up to 97%) and high turnover frequency of 5535 h(-1) at a low overpotential of 0.39 V versus reversible hydrogen electrode. Further experiments and density functional theory results demonstrate that the single-atom Bi-N-4 site is the dominating active center simultaneously for CO2 activation and the rapid formation of key intermediate COOH* with a low free energy barrier.
KeywordACTIVE-SITES IN-SITU EFFICIENT COPPER
DOI10.1021/jacs.9b08259
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/31980
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Beijing Inst Technol, Sch Mat Sci & Engn, Expt Ctr Adv Mat, Beijing Key Lab Construct Tailorable Adv Funct Ma, Beijing 100081, Peoples R China;
2.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China;
3.Stanford Univ, Dept Chem Engn, SUNCAT Ctr Interface Sci & Catalysis, Stanford, CA 94305 USA;
4.Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China;
5.Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China;
6.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China;
7.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, EH,Wang, T,Yu, K,et al. Bismuth Single Atoms Resulting from Transformation of Metal-Organic Frameworks and Their Use as Electrocatalysts for CO2 Reduction[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2019,141(42):16569-16573.
APA Zhang, EH.,Wang, T.,Yu, K.,Liu, J.,Chen, WX.,...&Li, YD.(2019).Bismuth Single Atoms Resulting from Transformation of Metal-Organic Frameworks and Their Use as Electrocatalysts for CO2 Reduction.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,141(42),16569-16573.
MLA Zhang, EH,et al."Bismuth Single Atoms Resulting from Transformation of Metal-Organic Frameworks and Their Use as Electrocatalysts for CO2 Reduction".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 141.42(2019):16569-16573.
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