Reverse Replacement in NH2-MIL-125 with 1,4-Dicarboxybenzene for Enhanced Photocatalytic Hydrogen Generation

被引：8
|
作者：
Zhang, Yijun [1 ]
Wen, Chunfang [1 ]
Wu, Xuefeng [1 ]
Liu, Peng Fei [1 ]
Yang, Hua Gui [1 ]
机构：
[1] East China Univ Sci & Technol, Shanghai Engn Res Ctr Hierarch Nanomat, Sch Mat Sci & Engn, Minist Educ,Key Lab Ultra Fine Mat, Xuhui Dist 130, Shanghai 200231, Peoples R China
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2022年 / 28卷 / 56期
基金：
中国国家自然科学基金;
关键词：
ligand modifications; metal-organic frameworks; photocatalysis; solvent-assisted ligand exchange;
D O I：
10.1002/chem.202200938
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Metal-organic frameworks (MOFs) constructed by ligands and metal clusters, have been considered as a promising material for photocatalytic water splitting. In this work, a solvent-assisted ligand exchange (SALE) method has been applied through partial reverse substitution of the ligand in NH2-MIL-125 (Ti) by 1,4-dicarboxybenzene (BDC). This modification strategy can optimize the charge transfer dynamics together with the preserved light absorption, resulting in a 3.3 times higher hydrogen production rate compared to the pristine material under visible-light irradiation. This work broadens the field of ligand modifications of MOFs to boost the photocatalytic performance.
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页数：5
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