Ethynyl‐Linked Donor–Acceptor Covalent Organic Framework for Highly Efficient Photocatalytic H 2 O 2 Production

Abstract Photocatalytic H 2 O 2 synthesis from H 2 O and O 2 is considered to be one of the most promising alternative approaches for manufacturing H 2 O 2 . Developing highly active and selective photocatalysts is of significant in achieving efficient H 2 O 2 photosynthesis. Herein, an ethynyl‐linked donor–acceptor covalent organic framework (COF), named EBBT‐COF, is prepared from the condensation reaction between an electron‐deficient unit 4,4′,4″‐(1,3,5‐benzenetriyltri‐2,1‐ethynediyl)tris‐benzenamine and an electron‐rich unit benzo[1,2‐b:3,4‐b′:5,6‐b″]trithiophene‐2,5,8‐tricarboxaldehyde. Powder X‐ray diffraction and N 2 adsorption isotherm unveil the crystalline porous hcb network of EBBT‐COF with pores…

• NN
  National Natural Science Foundation of China

  Awards: 22235001, 22175020
• UO
  University of Science and Technology Beijing