Graphyne,a remarkable two-dimensional carbon allotrope,has attracted significant attention in the field of materials science due to its unique properties and potential applications.Because of the special arrangement o...Graphyne,a remarkable two-dimensional carbon allotrope,has attracted significant attention in the field of materials science due to its unique properties and potential applications.Because of the special arrangement of their sp-and sp^(2)-hybridized carbon atoms,these structures display a wide range of geometrical and electronic characteristics as well as homogeneous pores of varying sizes,making them suitable for a variety of practical applications.In recent years,the synthesis of the thin film products of graphyne and its derivatives has typically been documented.To date,however,it remains challenging to synthesize atomically precise single-layered graphyne and its derivatives.Herein,we report a facile strategy to synthesize single-layered hydrogen-substituted γ-graphdiyne on the Au(111)surface through dehalogenation and intermolecular coupling polymerization.Its geometric atomic structure was investigated by scanning probe microscopy.Combined with theoretical results,we reveal its semiconducting property.展开更多
基金the financial support of this work from the National Key R&D Program of China(2023YFE0101900,from the Ministry of Science and Technology of the People’s Republic of China)the National Natural Science Foundation of China(grant nos.22125203 and 21790351)。
文摘Graphyne,a remarkable two-dimensional carbon allotrope,has attracted significant attention in the field of materials science due to its unique properties and potential applications.Because of the special arrangement of their sp-and sp^(2)-hybridized carbon atoms,these structures display a wide range of geometrical and electronic characteristics as well as homogeneous pores of varying sizes,making them suitable for a variety of practical applications.In recent years,the synthesis of the thin film products of graphyne and its derivatives has typically been documented.To date,however,it remains challenging to synthesize atomically precise single-layered graphyne and its derivatives.Herein,we report a facile strategy to synthesize single-layered hydrogen-substituted γ-graphdiyne on the Au(111)surface through dehalogenation and intermolecular coupling polymerization.Its geometric atomic structure was investigated by scanning probe microscopy.Combined with theoretical results,we reveal its semiconducting property.
