Palladium Nanoparticles on Graphite Oxide and Its Functionalized Graphene Derivatives as Highly Active Catalysts for the Suzuki-Miyaura Coupling Reaction

被引：1111

作者：

Scheuermann, Gil M. ^{[1
,2
]}

Rumi, Luigi ^{[3
]}

Steurer, Peter ^{[1
,2
]}

Bannwarth, Willi ^{[3
]}

Muelhaupt, Rolf ^{[1
,2
,4
]}

机构：

[1] Univ Freiburg, Freiburger Mat Forschungszentrum, D-79104 Freiburg, Germany

[2] Univ Freiburg, Inst Makromol Chem, D-79104 Freiburg, Germany

[3] Univ Freiburg, Inst Organ Chem & Biochem, D-79104 Freiburg, Germany

[4] Freiburg Inst Adv Studies FRIAS, D-79104 Freiburg, Germany

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 23期

关键词：

HECK REACTION; LIGAND-FREE; HETEROGENEOUS CATALYSTS; ROOM-TEMPERATURE; ARYL CHLORIDES; AQUEOUS DISPERSIONS; CHEMICAL-REDUCTION; ULTRATHIN FILMS; CARBON; POLYMER;

D O I：

10.1021/ja901105a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pd2+-exchanged graphite oxide and chemically derived graphenes therefrom were employed as supports for Pd nanoparticles. The influence of catalyst preparation, carbon functionalization, and catalyst morphology on the catalytic activity in the Suzuki-Miyaura coupling reactions was investigated. The catalysts were characterized by means of spectroscopy (FT-IR, solid-state C-13 NMR, AAS, XPS), X-ray scattering (WAXS), surface area analysis (BET, methylene blue adsorption), and electron microscopy (TEM, ESEM). In contrast to the conventional Pd/C catalyst, graphite oxide and graphene-based catalysts gave much higher activities with turnover frequencies exceeding 39 000 h(-1), accompanied by very low palladium leaching (<1 ppm).

引用

页码：8262 / 8270

页数：9

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