Atomically Dispersed Pd Sites on ZrO2 Hybridized N-Doped Carbon for Efficient Suzuki-Miyaura Reaction

被引:3
作者
Du, Jiaqi [1 ]
Peng, Yidan [1 ]
Guo, Xu [1 ]
Zhang, Guoliang [1 ,2 ,3 ]
Zhang, Fengbao [1 ,2 ,3 ]
Fan, Xiaobin [1 ,2 ,3 ]
Peng, Wenchao [1 ,2 ,3 ]
Li, Yang [1 ,2 ,3 ]
机构
[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300354, Peoples R China
[2] Haihe Lab Sustainable Chem Transformat, Tianjin 300192, Peoples R China
[3] Tianjin Univ, Inst Shaoxing, Zhejiang 312300, Peoples R China
基金
中国国家自然科学基金;
关键词
palladium; heterogeneous catalyst; Suzuki reaction; ZrO2; doping; N-doped carbon; PALLADIUM NANOPARTICLES; CATALYSTS; PERFORMANCE;
D O I
10.3390/catal13040651
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
Researchers studying heterogeneous catalysis are intrigued by single-atom catalysts (SACs) due to their ultrahigh atomic utilization. However, only a few reports on SAC-catalyzed classical organic transformations are available. In this work, atomically dispersed Pd sites are confined to a ZrO2 hybridized N-doped carbon skeleton with a smart design. UiO-66-NH2 is used to anchor Pd atoms by the coordination of the donor atoms including lone pairs of electrons and metal atoms. Subsequently, the in situ introduction of ZrO2 doping is achieved using pyrolysis, which helps improve the catalytic performance by modulating the electronic state. The Pd@ZrO2/N-C catalyst obtained from the unique design exhibits a high yield (99%) in eco-friendly media with an extremely low noble metal dosage (0.03 mol% Pd) for the Suzuki reaction. Moreover, Pd@ZrO2/N-C remains highly active after being reused several times and possesses versatility in a variety of substrates. This strategy offers a feasible alternative to designing SACs with atomically dispersed noble metals for heterogeneous reactions.
引用
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页数:13
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