Engineering covalent/metal-organic frameworks with single atoms toward artificial photocatalytic nitrogen fixation

被引:5
作者
He, Ting [1 ]
Zhao, Yanli [1 ]
机构
[1] Nanyang Technol Univ, Sch Chem Chem Engn & Biotechnol, Singapore 637371, Singapore
来源
CHEM CATALYSIS | 2023年 / 3卷 / 12期
关键词
REDUCTION; CATALYST; AMMONIA; SITES;
D O I
10.1016/j.checat.2023.100795
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The production of ammonia in a green, environmentally friendly, and sustainable way is crucial for human society. This perspective focuses on the combination of covalent/metal-organic framework (COF/MOF) substrates and single-atom catalysts to produce ammonia through artificial photocatalytic N2 fixation reactions. The single-atom catalysts demonstrate high activity toward N2 fixation due to the maximum atomic efficiency, while they are easy to aggregate. COFs/MOFs are crystalline and porous materials that offer suitable platforms to anchor single atoms. Furthermore, the photoelectrochemical properties and local coordination environments are precisely controlled by tuning the structures of COF/ MOF substrates, leading to high activity for the NH3 evolution. The recent progress of COF/MOF-supported single-atom catalysts for photocatalytic N2 fixation is well concluded. Future opportunities and perspectives are discussed for the further development of advanced photocatalytic N2 fixation catalysts to produce NH3.
引用
收藏
页数:11
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