biostudies-literatureRu C111 ProjectNational Natural Science Foundation of ChinaResearch Funds for the Key Laboratory of Petroleum Resources ResearchHigher Education Discipline Innovation ProjectSpecial Fund Project of Guiding Scientific Technological Innovation Development of Gansu Provincee2204055https://www.ebi.ac.uk/biostudies/studies/S-EPMC9762295biostudies-literatureUnknown9(35)High concentrations of active carriers on the surface of a semiconductor through energy/electron transfer are the core process in the photocatalytic hydrogen production from water. However, it remains a challenge to significantly improve photocatalytic performance by modifying simple molecular modulation. Herein, a new strategy is proposed to enhance the photocatalytic hydrogen evolution performance using boron and nitrogen elements to construct B←N coordination bonds. Experimental results show that polynaphthopyridine borane (PNBN) possessing B←N coordination bonds shows a hydrogen evolution rate of 217.4 µmol h^-1 , which is significantly higher than that of the comparison materials 0 µmol h^-1 for polyphenylnaphthalene (PNCC) and 0.66 µmol h^-1 for polypyridylnaphthalene (PNNC), mainly attributed to the formation of a strong built-in electric field that promotes the separation of photo-generated electrons/holes. This work opens up new prospects for the design of highly efficient polymeric photocatalysts at the molecular level.Advanced science (Weinheim, Baden-Wurttemberg, Germany)Enhanced Built-in Electric Field Promotes Photocatalytic Hydrogen Performance of Polymers Derived from the Introduction of B←N Coordination Bond.PMC9762295SZDKFJJ20201202B20027219010822019ZX-042207109322171111Pan XRu CWu JChen PZhang JChen CWu XZhao HfalseEnhanced Built-in Electric Field Promotes Photocatalytic Hydrogen Performance of Polymers Derived from the Introduction of B←N Coordination Bond.High concentrations of active carriers on the surface of a semiconductor through energy/electron transfer are the core process in the photocatalytic hydrogen production from water. However, it remains a challenge to significantly improve photocatalytic performance by modifying simple molecular modulation. Herein, a new strategy is proposed to enhance the photocatalytic hydrogen evolution performance using boron and nitrogen elements to construct B←N coordination bonds. Experimental results show that polynaphthopyridine borane (PNBN) possessing B←N coordination bonds shows a hydrogen evolution rate of 217.4 µmol h^-1 , which is significantly higher than that of the comparison materials 0 µmol h^-1 for polyphenylnaphthalene (PNCC) and 0.66 µmol h^-1 for polypyridylnaphthalene (PNNC), mainly attributed to the formation of a strong built-in electric field that promotes the separation of photo-generated electrons/holes. This work opens up new prospects for the design of highly efficient polymeric photocatalysts at the molecular level.2022-01-01T00:00:00Z2022 Dec2024-11-19T15:22:18.781Z2024-11-19T15:22:18.781ZS-EPMC97622953628568210.1002/advs.202204055