In situ recyclable gold nanoparticles using CO2-switchable polymers for catalytic reduction of 4-nitrophenol

被引：90
|
作者：
Zhang, Jianming [2 ]
Han, Dehui [1 ]
Zhang, Hongji [1 ]
Chaker, Mohamed [2 ]
Zhao, Yue [1 ]
Ma, Dongling [2 ]
机构：
[1] Univ Sherbrooke, Dept Chim, Sherbrooke, PQ J1K 2R1, Canada
[2] INRS EMT, Inst Natl Rech Sci, Varennes, PQ J3X 1S2, Canada
来源：
CHEMICAL COMMUNICATIONS | 2012年 / 48卷 / 94期
基金：
加拿大自然科学与工程研究理事会;
关键词：
SELECTIVE OXIDATION; CLUSTERS; SIZE;
D O I：
10.1039/c2cc35784d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
CO2-switchable gold nanoparticles (AuNPs) were prepared by functionalizing AuNPs with CO2-switchable polymers. Their dispersion-re-dispersion in and separation from aqueous solution can be easily and reproducibly adjusted by CO2 bubbling through and removal from the solution, enabling unique CO2 controllable, efficient in situ recycling of NPs. As compared to non-functionalized AuNPs, they exhibit higher catalytic activity (except for the 1st round), easier separation and better reusability for 4-nitrophenol reduction.
引用
收藏
页码：11510 / 11512
页数：3
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