Linkage Effect in the Heterogenization of Cobalt Complexes by Doped Graphene for Electrocatalytic CO2 Reduction

Wang, Jiong1; Huang, Xiang2; Xi, Shibo4; Lee, Jong-Min1; Wang, Cheng3; Du, Yonghua4,5; Wang, Xin1

2019-08-13

10.1002/anie.201906475

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   影响因子和分区

1433-7851

1521-3773

Immobilization of planar Co-II-2,3-naphthalocyanine (NapCo) complexes onto doped graphene resulted in a heterogeneous molecular Co electrocatalyst that was active and selective to reduce CO2 into CO in aqueous solution. A systematic study revealed that graphitic sulfoxide and carboxyl dopants of graphene were the efficient binding sites for the immobilization of NapCo through axial coordination and resulted in active Co sites for CO2 reduction. Compared to carboxyl dopants, the sulfoxide dopants further improved the electron communication between NapCo and graphene, which led to the increase of turnover frequency of the Co sites by about 3 times for CO production with a Faradic efficiency up to 97 %. Pristine NapCo in the absence of a graphene support did not display efficient electron communication with the electrode and thus failed to serve as the electrochemical active site for CO2 reduction under the identical conditions.

electrocatalysis CO2 reduction cobalt heterogenization linkage effect

SCI ; EI

英语

NI期刊

其他

Tender Energy Absorption Spectroscopy Beamline of the National Synchrotron Light Source II, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Brookhaven National Laboratory[DE-SC0012704]

Chemistry

Chemistry, Multidisciplinary

WOS:000480704000001

WILEY-V C H VERLAG GMBH

20193507366911

Binding sites ; Carbon dioxide ; Cobalt ; Cobalt compounds ; Electrocatalysis ; Electrocatalysts ; Reduction

Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals:549.3 ; Nanotechnology:761 ; Biochemistry:801.2 ; Chemical Reactions:802.2 ; Chemical Agents and Basic Industrial Chemicals:803 ; Chemical Products Generally:804 ; Inorganic Compounds:804.2

CHEMISTRY

Web of Science

1.Nanyang Technol Univ, Sch Chem & Biomed Engn, 62 Nanyang Dr, Singapore 637459, Singapore
2.Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
3.Tianjin Univ Technol, Inst New Energy Mat & Low Carbon Technol, Tianjin 300384, Peoples R China
4.Agcy Sci Technol & Res, Inst Chem & Engn Sci, Singapore 627833, Singapore
5.Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA

Wang, Jiong,Huang, Xiang,Xi, Shibo,et al. Linkage Effect in the Heterogenization of Cobalt Complexes by Doped Graphene for Electrocatalytic CO2 Reduction[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2019,58(38):13532-13539.

Wang, Jiong.,Huang, Xiang.,Xi, Shibo.,Lee, Jong-Min.,Wang, Cheng.,...&Wang, Xin.(2019).Linkage Effect in the Heterogenization of Cobalt Complexes by Doped Graphene for Electrocatalytic CO2 Reduction.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,58(38),13532-13539.

Wang, Jiong,et al."Linkage Effect in the Heterogenization of Cobalt Complexes by Doped Graphene for Electrocatalytic CO2 Reduction".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 58.38(2019):13532-13539.