Two-dimensional,ultrathin,robust,and fullyπ-conjugated organic nanomaterials are highly desirable for application in various fields due to their unique photoelectric characteristics and great number of exposed active...Two-dimensional,ultrathin,robust,and fullyπ-conjugated organic nanomaterials are highly desirable for application in various fields due to their unique photoelectric characteristics and great number of exposed active sites.However,such matters combining excellent stability,fullπ-conjugation and adjustability are rare,which has become a bottleneck for their practical application.Herein,we present a novel kind of diyne-linked polymetalloporphyrin nanosheet featuring permanent porosity and fullπ-conjugation,which exhibits a high-aspect-ratio,outstanding stability and convenient tailoring for electronic structures.Importantly,the novel nanosheets with monodisperse nickel atoms were found to be outstanding heterogeneous catalyst with unprecedented catalytic activity and selectivity for 4-nitrophenol reduction to 4-aminophenol under mild conditions.The findings recommend that diynelinked polymetalloporphyrin nanosheets may offer new platforms for the conversion of photoelectricity and energy in the future.展开更多
基金the National Natural Science Foundation of China(21774040,61435005,and 21805110)。
文摘Two-dimensional,ultrathin,robust,and fullyπ-conjugated organic nanomaterials are highly desirable for application in various fields due to their unique photoelectric characteristics and great number of exposed active sites.However,such matters combining excellent stability,fullπ-conjugation and adjustability are rare,which has become a bottleneck for their practical application.Herein,we present a novel kind of diyne-linked polymetalloporphyrin nanosheet featuring permanent porosity and fullπ-conjugation,which exhibits a high-aspect-ratio,outstanding stability and convenient tailoring for electronic structures.Importantly,the novel nanosheets with monodisperse nickel atoms were found to be outstanding heterogeneous catalyst with unprecedented catalytic activity and selectivity for 4-nitrophenol reduction to 4-aminophenol under mild conditions.The findings recommend that diynelinked polymetalloporphyrin nanosheets may offer new platforms for the conversion of photoelectricity and energy in the future.