of main observation and conclusion A facile synthesis,functionalization,and emission property of N-doped carbon-rich halogenated compound 3,6,12,15-tetrachloro-9-phenyl-9H-tetrabenzo[a,c,g#i]carbazole(ClCbz)was report...of main observation and conclusion A facile synthesis,functionalization,and emission property of N-doped carbon-rich halogenated compound 3,6,12,15-tetrachloro-9-phenyl-9H-tetrabenzo[a,c,g#i]carbazole(ClCbz)was reported.Cost-effective FeCI3 catalyst serves to break eight C—H bonds of 1,2,3,4,5-pentaphenylpyrrole(1)and subsequently construct two C—C and four C—Cl bonds in one pot with a high yield of up to 75%.展开更多
Electrocatalytic CO_(2) reduction(ECR)to high-value fuels and chemicals offers a promising conversion technology for achieving sustainable carbon cycles.In recent years,although great efforts have been made to develop...Electrocatalytic CO_(2) reduction(ECR)to high-value fuels and chemicals offers a promising conversion technology for achieving sustainable carbon cycles.In recent years,although great efforts have been made to develop highefficiency ECR catalysts,challenges remain in achieving high activity and long durability simultaneously.Taking advantage of the adjustable structure,tunable component,and the M–Ch(M¼Sn,In,Bi,etc.,Ch¼S,Se,Te)covalent bonds stabilized metal centers,the p-block metal chalcogenides(PMC)based electrocatalysts have shown great potential in converting CO_(2) into CO or formates.In addition,the unique p-block electron structure can suppress the competitive hydrogen evolution reaction and enhance the adsorption of ECR intermediates.Seeking to systematically understand the structure–activity relationship of PMC-based ECR catalysts,this review summarizes the recent advances in designing PMC electrocatalysts for CO_(2) reduction based on the fundamental aspects of heterogeneous ECR process,including advanced strategies for optimizing the intrinsic activity and improving the loading density of catalytic sites,constructing highly stable catalysts,and tuning product.展开更多
基金H.-Y.G.is grateful to the National Natural Science Foundationof China(21971022,21672025,and 21472014)National BasicResearch Program of China(973 Program 2015CB856502)the Young One Thousand-Talents scheme,the Fundamental Research Funds for the Central Universities,the Beijing Municipal Commission of Education,the Beijing National Laboratory for Molecular Science(BNLMS),and Beijing Normal University for financial support.
文摘of main observation and conclusion A facile synthesis,functionalization,and emission property of N-doped carbon-rich halogenated compound 3,6,12,15-tetrachloro-9-phenyl-9H-tetrabenzo[a,c,g#i]carbazole(ClCbz)was reported.Cost-effective FeCI3 catalyst serves to break eight C—H bonds of 1,2,3,4,5-pentaphenylpyrrole(1)and subsequently construct two C—C and four C—Cl bonds in one pot with a high yield of up to 75%.
基金support from the National Key Research and Development Program of China(No.2020YFB1505801)the National Natural Science Foundation of China(Nos.22025208,22075300,and 22102191)the Chinese Academy of Sciences,and the Key Laboratory of Education department of Shaanxi Province(20JS157).
文摘Electrocatalytic CO_(2) reduction(ECR)to high-value fuels and chemicals offers a promising conversion technology for achieving sustainable carbon cycles.In recent years,although great efforts have been made to develop highefficiency ECR catalysts,challenges remain in achieving high activity and long durability simultaneously.Taking advantage of the adjustable structure,tunable component,and the M–Ch(M¼Sn,In,Bi,etc.,Ch¼S,Se,Te)covalent bonds stabilized metal centers,the p-block metal chalcogenides(PMC)based electrocatalysts have shown great potential in converting CO_(2) into CO or formates.In addition,the unique p-block electron structure can suppress the competitive hydrogen evolution reaction and enhance the adsorption of ECR intermediates.Seeking to systematically understand the structure–activity relationship of PMC-based ECR catalysts,this review summarizes the recent advances in designing PMC electrocatalysts for CO_(2) reduction based on the fundamental aspects of heterogeneous ECR process,including advanced strategies for optimizing the intrinsic activity and improving the loading density of catalytic sites,constructing highly stable catalysts,and tuning product.
