Tunable Selective Hydrogenation of Cinnamaldehyde by Capped Pt/Pd Nanoparticles Supported on Carbon Nanotubes

被引：2
作者：
Zhang, Minghui [1 ]
Wang, Tengda [1 ]
Zhang, Mingwei [1 ]
Wang, Qingfa [1 ,2 ,3 ]
Wang, Li [1 ,2 ,3 ]
Zhang, Xiangwen [1 ,2 ,3 ]
Li, Guozhu [1 ,2 ,3 ]
机构：
[1] Tianjin Univ, Key Lab Green Chem Technol, Sch Chem Engn & Technol, Minist Educ, Tianjin, Peoples R China
[2] Tianjin Univ, Zhejiang Inst, Ningbo 315201, Zhejiang, Peoples R China
[3] Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
来源：
CHEMISTRYSELECT | 2022年 / 7卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Capping agent; carbon nanotube; heterogeneous catalysis; hydrogenation; HIGHLY EFFICIENT; CHEMOSELECTIVE HYDROGENATION; PD NANOPARTICLES; ALPHA; BETA-UNSATURATED ALDEHYDES; CATALYTIC-HYDROGENATION; UNSATURATED ALDEHYDES; PALLADIUM; NANOCATALYSTS; DEPOSITION; INSIGHTS;
D O I：
10.1002/slct.202200316
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of catalysts containing Pt or Pd nanoparticles (NPs) jointly regulated by cytidine (Cs) and polyvinylpyrrolidone (PVP) have been prepared for selective hydrogenation of cinnamaldehyde (CAL). The Pt/Pd NPs were supported on carbon nanotubes (CNTs) with different structures for promoting catalytic activity and tuning product selectivity. The synergistic effect of Cs and PVP on Pt/Pd surface promotes hydrogenation activity. The synergy between Pd NPs and multi-walled CNTs with the diameter of <8 nm greatly promoted the hydrogenation of C=C bond in CAL. The synergy between Pt NPs and single-walled CNTs with the diameter of <2 nm effectively enhanced the hydrogenation of C=O bond in CAL. These synergistic effects are attributed to the suitable size and exposed (111) facets of metal NPs, the transfer of electrons and the interaction between metal and support.
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页数：10
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