N-Heterocyclic carbene-stabilized platinum nanoparticles within a porphyrinic nanocage for selective photooxidation

被引：7
作者：
Wang, Yi-Shou [1 ]
Li, Hao [1 ]
Bai, Sha [1 ]
Wang, Yao-Yu [1 ]
Han, Ying-Feng [1 ]
机构：
[1] Northwest Univ, Xian Key Lab Funct Supramol Struct & Mat, Coll Chem & Mat Sci, Key Lab Synthet & Nat Funct Mol,Minist Educ, Xian 710127, Peoples R China
来源：
SCIENCE CHINA-CHEMISTRY | 2023年 / 66卷 / 03期
基金：
中国国家自然科学基金;
关键词：
polycarbenes; porphyrinic cage; nanoparticles; photocatalysis; PALLADIUM NANOPARTICLES; MOLECULAR-OXYGEN; ENERGY;
D O I：
10.1007/s11426-022-1504-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The successful construction of highly stable and active platinum nanoparticles (Pt NPs) within the confined cavity of a three-dimensional porphyrinic nanocage is presented in this study. The flexible porphyrinic nanocage containing eight N-heterocyclic carbene (NHC) precursors was prepared using a metal-carbene-templated ring-closing metathesis (RCM) approach as new capping materials for the fabrication/stabilization of Pt NPs. Notably, the NHC-stabilized Pt NPs within the porphyrinic nanocage exhibited high catalytic activity for selective oxidation of 2-chloroethyl ethyl sulfide to nontoxic 2-chloroethyl ethyl sulfoxide with excellent stability and recyclability.
引用
收藏
页码：778 / 782
页数：5
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