李彬   Professor

李彬,青岛科技大学材料科学与工程学院,崂山学者三层次教授,博士毕业于复旦大学化学系,师从赵东元院士,博士毕业后在新加坡南洋理工大学继续博士后的研究工作,合作导师陈晓东教授。主要从事新型多孔材料的合成与应用,尤其是在微介孔材料的控制合成、性能调控以及在电催化领域中形成了独特的思想见解,取得了一系列有影响力的研究成果。立项主持国家自然科学基金面上项目2项,主持国家自然科学基金山东省区域创新发...Detials

Two new inorganic-organic hybrid zinc phosphites and their derived ZnO/ZnS heterostructure for efficient photocatalytic hydrogen production????(Open Access)

Release time:2023-10-19  Hits:

  • Key Words:Sulfur compounds;Benzene - Etching - Heterojunctions - Hybrid materials - Hydrogen production - II-VI semiconductors - Photocatalytic activity - Sodium sulfide - Topology - Zinc - Zinc oxide - Zinc sulfide
  • Abstract:Two novel inorganic-organic hybrid zinc phosphites, namely, [Zn(1,2-bimb)<inf>0.5</inf>(HPO<inf>3</inf>)]<inf>n</inf> (1) and [Zn(1,4-bmimb)<inf>0.5</inf>(HPO<inf>3</inf>)]<inf>n</inf> (2), (1,2-bimb = 1,2-bis(imidazol-1ylmethyl)benzene; 1,4-bmimb = 1,4-bis((2-methyl-1H-imidazol-1yl)methyl)benzene) were synthesized for the first time by hydrothermal reaction. Compound 1 generates a three-dimensional (3D) pillared-layer structure with a 2-nodal 3,4-connected 3,4T15 topology. While compound 2 exhibits a 2D hybrid zinc phosphite sheet with a 3,4-connected 3,4L83 topology network. Utilizing compound 1 and compound 2 as templates and Na<inf>2</inf>S as an etching agent, a series of highly efficient ZnO/ZnS photocatalysts were obtained. The optimized 1-160 sample demonstrates the highest evolution rate of 22.6 mmol g<sup>-1</sup> h<sup>-1</sup>, exceeding the rate of commercial ZnS samples by more than 14.5 times. The remarkable photocatalytic activity should be attributed to the unique heterojunction structure which shortens the free path of charge carriers and enhances the charge separation efficiency. This work provides a facile strategy for preparing photocatalysts with efficient photocatalytic hydrogen production derived from inorganic-organic hybrid material.<br/> This journal is © The Royal Society of Chemistry.
  • Volume:10
  • Issue:2
  • Translation or Not:no