Hydrogen Bonds and In situ Photoinduced Metallic Bi 0 /Ni 0 Accelerating Z‐Scheme Charge Transfer of BiOBr@NiFe‐LDH for Highly Efficient Photocatalysis

Abstract For heterojunction system, the lack of stable interfacial driving force and definite charge transfer channel makes the charge separation and transfer efficiency unsatisfactory. The photoreaction mechanism occurring at the interface also receives less attention. Herein, a 2D/2D Z‐scheme junction BiOBr@NiFe‐LDH with large‐area contact featured by short interface hydrogen bonds and strong interfacial electric field (IEF) is synthesized, and in situ photoinduced metallic species assisting charge transfer mechanism is demonstrated. The hydrogen bonds between O atoms from BiOBr and H atoms from NiFe‐LDH induce a significant interfacial charge redistribution, establishing a robust IEF. Notably, during…

• NN
  National Natural Science Foundation of China

  Awards: 52372237, 52272244
• FR
  Fundamental Research Funds for the Central Universities

  Award: 2652022202