The self-assembly of two-dimensional(2D)semiconductor nanosheets into three-dimensional(3D)ordered superstructures represents an ingenious way to avoid aggregation,expose massive available active sites and benefit the...The self-assembly of two-dimensional(2D)semiconductor nanosheets into three-dimensional(3D)ordered superstructures represents an ingenious way to avoid aggregation,expose massive available active sites and benefit the mass transfer,which maximizes the advantages of the 2D nanostructures in photo-catalysis.Herein,a flower-like superstructure of ternary semiconducting boron carbon nitride nanosheets(FS-BCNNSs)was synthesized through the morphology-preserved thermal transformation of a flower-like superstructure of boron-containing metal-organic framework nanosheets(FS-MOFNSs).Taking advantage of this functional superstructure,FS-BCNNSs was employed for the pioneering application in the field of photocatalytic hydrogen peroxide(H_(2)O_(2))production and exhibited excellent photocatalytic performance,yielding an impressive rate of 1415.9μmol g^(−1)h^(−1)for the production of H_(2)O_(2).The results of this work offer not just a promising catalyst for photocatalytic H_(2)O_(2)production but also a facile strategy to fabricate unique superstructures constructed from 2D nanosheets for catalysis,energy conversion,and other related fields.展开更多
基金supported by the National Natural Science Foundation of China(No.51702365)the Natural Science Foundation of Shandong Province(No.ZR2022MB133)+1 种基金Key Research and Development Plan of Shandong Province(Nos.2019GGX102056,2018GGX104018)New Faculty Start-up funding in China University of Petroleum(East China)(No.YJ201501029).
文摘The self-assembly of two-dimensional(2D)semiconductor nanosheets into three-dimensional(3D)ordered superstructures represents an ingenious way to avoid aggregation,expose massive available active sites and benefit the mass transfer,which maximizes the advantages of the 2D nanostructures in photo-catalysis.Herein,a flower-like superstructure of ternary semiconducting boron carbon nitride nanosheets(FS-BCNNSs)was synthesized through the morphology-preserved thermal transformation of a flower-like superstructure of boron-containing metal-organic framework nanosheets(FS-MOFNSs).Taking advantage of this functional superstructure,FS-BCNNSs was employed for the pioneering application in the field of photocatalytic hydrogen peroxide(H_(2)O_(2))production and exhibited excellent photocatalytic performance,yielding an impressive rate of 1415.9μmol g^(−1)h^(−1)for the production of H_(2)O_(2).The results of this work offer not just a promising catalyst for photocatalytic H_(2)O_(2)production but also a facile strategy to fabricate unique superstructures constructed from 2D nanosheets for catalysis,energy conversion,and other related fields.
