Cage-templated synthesis of highly stable palladium nanoparticles and their catalytic activities in Suzuki-Miyaura coupling.
Cage-templated synthesis of highly stable palladium nanoparticles and their catalytic activities in Suzuki-Miyaura coupling.
复制标题
高稳定钯纳米粒子的笼模板合成及其在铃木-宫浦偶联中的催化活性。
DOI：
10.1039/c7sc03148c
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发表时间：
2018-01-21
期刊：
影响因子：
8.4
通讯作者：
Zhang W
中科院分区：
文献类型：
--
作者：
Qiu L;McCaffrey R;Jin Y;Gong Y;Hu Y;Sun H;Park W;Zhang W
Cage-templated synthesis of narrowly distributed palladium nanoparticles (1.8 ± 0.2 nm) and their high catalytic activity in Suzuki–Miyaura coupling reactions are reported. We report the controlled synthesis of small palladium nanoparticles (PdNPs) with narrow particle size distribution (1.8 ± 0.2 nm) using an organic molecular cage as a template. The well-defined cage structure and thioether anchoring groups inside the cavity are critical for the formation of narrowly distributed PdNPs, offering a confined organic molecular environment and guiding PdNP nucleation and growth. The resulting encapsulated PdNPs are resistant to agglomeration and stable in solution exposed to air at room temperature. When provided with a protective cage shell with minimum surface coverage, such PdNPs are capable of catalyzing organic reactions, showing high catalytic activity in Suzuki–Miyaura coupling reactions.
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