中文版 | English
Title

Pyridyl-containing graphdiyne stabilizes sub-2 nm ultrasmall copper nanoclusters for the electrochemical reduction of CO2

Author
Corresponding AuthorDuan,Lele
Publication Years
2023-03-06
DOI
Source Title
EISSN
2052-1553
Volume10Issue:7Pages:2189-2196
Abstract
Developing novel carbonaceous materials with definite chemical structures is conducive to understanding structure-property relationships and expanding their applications in supported metal catalysts. Herein, a brand-new pyridine-substituted graphdiyne (Py-GDY) is synthesized through the cross-coupling of 1,3,5-triethynyl-2,4,6-tris(4-pyridyl)benzene, and further applied as a promising carrier in electrocatalysis. Thanks to the precisely introduced pyridyl groups, strong metal-support interaction between the confined Cu species and Py-GDY is desirably obtained, resulting in uniformly dispersed Cu sub-nanoclusters (<2 nm) (Py-GDY-Cu). Conversely, the Cu size increased dramatically when the pyridyl group of Py-GDY was replaced by the phenyl group (Ph-GDY-Cu). In a proof-of-concept demonstration of the electrochemical CO reduction reaction, Py-GDY-Cu is found to produce CH preferentially to Ph-GDY-Cu, owing to the favorable sub-nanocluster size. As a result, an optimum CH faradaic efficiency of 58% is achieved on Py-GDY-Cu, which shows a 1.6-fold enhancement compared with that of Ph-GDY-Cu. This work broadens the scope of carbonaceous materials for rational metal species immobilization toward efficient catalysis.
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
National Natural Science Foundation of China[22179057];
WOS Accession No
WOS:000949492700001
Scopus EID
2-s2.0-85151035361
Data Source
Scopus
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/524202
DepartmentDepartment of Chemistry
深圳格拉布斯研究院
Affiliation
1.Department of Chemistry and Shenzhen Grubbs Institute,Southern University of Science and Technology,Shenzhen,518055,China
2.National Laboratory of Solid State Microstructures (NLSSM),Jiangsu Key Laboratory of Artificial Functional Materials,College of Engineering and Applied Sciences,Nanjing University,Nanjing,210093,China
3.Beijing National Laboratory for Molecular Sciences,Organic Solids Laboratory,Institute of Chemistry,Chinese Academy of Sciences,Beijing,100190,China
First Author AffilicationDepartment of Chemistry;  Shenzhen Grubbs Institute
Corresponding Author AffilicationDepartment of Chemistry;  Shenzhen Grubbs Institute
First Author's First AffilicationDepartment of Chemistry;  Shenzhen Grubbs Institute
Recommended Citation
GB/T 7714
Dai,Hao,Zou,Haiyuan,Song,Tao,et al. Pyridyl-containing graphdiyne stabilizes sub-2 nm ultrasmall copper nanoclusters for the electrochemical reduction of CO2[J]. Inorganic Chemistry Frontiers,2023,10(7):2189-2196.
APA
Dai,Hao.,Zou,Haiyuan.,Song,Tao.,Gao,Lei.,Wei,Shuting.,...&Duan,Lele.(2023).Pyridyl-containing graphdiyne stabilizes sub-2 nm ultrasmall copper nanoclusters for the electrochemical reduction of CO2.Inorganic Chemistry Frontiers,10(7),2189-2196.
MLA
Dai,Hao,et al."Pyridyl-containing graphdiyne stabilizes sub-2 nm ultrasmall copper nanoclusters for the electrochemical reduction of CO2".Inorganic Chemistry Frontiers 10.7(2023):2189-2196.
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