Graphdiyne(GDY)science is a new and rapidly developing interdisciplinary field that touches on various areas of chemistry,physics,information science,material science,life science,environmental science,and so on.The r...Graphdiyne(GDY)science is a new and rapidly developing interdisciplinary field that touches on various areas of chemistry,physics,information science,material science,life science,environmental science,and so on.The rapid development of GDY science is part of the trend in development of carbon materials.GDY,with its unique structure and fascinating properties,has greatly promoted fundamental research toward practical applications of carbon materials.Many important applications,such as catalysis and energy conversion,have been reported.In particular,GDY has shown great potential for application in the field of catalysis.Scientists have precisely synthesized a series of GDY-based multiscale catalysts and applied them in various energy conversion and catalysis research,including ammonia synthesis,hydrogen production,CO_(2) conversion,and chemical-to-electrical energy conversion.In this paper,we systematically review the advances in the precisely controlled synthesis of GDY and aggregated structures,and the latest progress with GDY in catalysis and energy conversion.展开更多
The efficient production of ammonia by reducing nitrates at room temperature and ambient pressure is a promising alternative to the Haber-Bosch process and can effectively overcome the attendant water pollution issues...The efficient production of ammonia by reducing nitrates at room temperature and ambient pressure is a promising alternative to the Haber-Bosch process and can effectively overcome the attendant water pollution issues.Herein,a new idea has been realized for rational and selective construction of the sp-carbon-metal-carbon interface,comprised of electronic-donating triple bonds in graphdiyne and electron-withdrawing iron carbides,for a highly efficient nitrate reduction reaction.The as-prepared sp-carbon-metal-carbon interfacial structures greatly increase the charge transfer ability and electrical conductivity of the system.The proposed concept of incomplete charge transfer has demonstrated significantly high selectivity,activity,and stability in catalytic system.The catalyst exhibits high Faradaic efficiency of over>95%and a NH3 yield rate up to 205.5μmolNH_(3) cm^(-2) h^(-1) in dilute nitrate conditions without any contaminant.展开更多
基金This work was supported by the Basic Science Center Project of the National Natural Science Foundation of China(22388101)the National Key Research and Development Project of China(2022YFA1204500,2022YFA1204501,2022YFA1204503,2018YFA0703501)the Key Program of the Chinese Academy of Sciences(XDPB13).
文摘Graphdiyne(GDY)science is a new and rapidly developing interdisciplinary field that touches on various areas of chemistry,physics,information science,material science,life science,environmental science,and so on.The rapid development of GDY science is part of the trend in development of carbon materials.GDY,with its unique structure and fascinating properties,has greatly promoted fundamental research toward practical applications of carbon materials.Many important applications,such as catalysis and energy conversion,have been reported.In particular,GDY has shown great potential for application in the field of catalysis.Scientists have precisely synthesized a series of GDY-based multiscale catalysts and applied them in various energy conversion and catalysis research,including ammonia synthesis,hydrogen production,CO_(2) conversion,and chemical-to-electrical energy conversion.In this paper,we systematically review the advances in the precisely controlled synthesis of GDY and aggregated structures,and the latest progress with GDY in catalysis and energy conversion.
基金This research was made possible as a result of a generous grant from the National Natural Science Foundation of China(grant nos.21790050,21790051,and 22021002)the National Key Research and Development Project of China(grant no.2018YFA0703501)the Key Program of the Chinese Academy of Sciences(grant no.XDPB13).
文摘The efficient production of ammonia by reducing nitrates at room temperature and ambient pressure is a promising alternative to the Haber-Bosch process and can effectively overcome the attendant water pollution issues.Herein,a new idea has been realized for rational and selective construction of the sp-carbon-metal-carbon interface,comprised of electronic-donating triple bonds in graphdiyne and electron-withdrawing iron carbides,for a highly efficient nitrate reduction reaction.The as-prepared sp-carbon-metal-carbon interfacial structures greatly increase the charge transfer ability and electrical conductivity of the system.The proposed concept of incomplete charge transfer has demonstrated significantly high selectivity,activity,and stability in catalytic system.The catalyst exhibits high Faradaic efficiency of over>95%and a NH3 yield rate up to 205.5μmolNH_(3) cm^(-2) h^(-1) in dilute nitrate conditions without any contaminant.