| MIL-125(Ti)中引入高价态钨元素以促进光催化产氢性能（英文） |
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| 作者姓名： | 张诣钧 毛芳欣 刘袁微 吴雪枫 温春芳 戴升 刘鹏飞 杨化桂 |
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| 作者单位： | 1. Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, School of Materials Science and Engineering, East China University of Science and Technology;2. Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology |
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| 基金项目： | financially supported by the National Natural Science Funds for Distinguished Young Scholars (51725201)；;the International (Regional) Cooperation and Exchange Projects of the National Natural Science Foundation of China (51920105003)；;China Postdoctoral Science Foundation Funded Project (2020M681201)；;the Fundamental Research Funds for the Central Universities (JKD01211519)；;the support by Shanghai Rising-star Program (20QA1402400)； |
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| 摘 要： | 金属有机框架(Metal-organic frameworks, MOFs)材料具有高度可调控的多孔结构以及电子结构,在光催化领域非常有前景.本文利用MOFs的上述特性,将高价态的钨元素连接在MIL-125(Ti)中的Ti-oxo团簇上,得到了W-MIL-125.形成的W–O–Ti结构引发了从金属到团簇的电荷传输(Metal-to-cluster charge transfer, MCCT),且W-MIL-125具有更好的吸光性能.结构和谱学表征证明, MCCT过程能优化电荷的传输路径,有效地实现了载流子空间分离. W-MIL-125在光照条件下展现出更高的产氢性能,高达1110.7±63.7μmol g-1h-1,是本体样品产氢速率的4.0倍.本工作为MOFs基材料的局域结构改性以提升光催化性能提供了新的思路.
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