Metal-Free Activation of Dioxygen by Graphene/g-C3N4 Nanocomposites: Functional Dyads for Selective Oxidation of Saturated Hydrocarbons

被引：490
作者：
Li, Xin-Hao [1 ]
Chen, Jie-Sheng [2 ]
Wang, Xinchen [1 ]
Sun, Jianhua [1 ]
Antonietti, Markus [1 ]
机构：
[1] Max Planck Inst Colloids & Interfaces, Dept Colloid Chem, D-14424 Potsdam, Germany
[2] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 21期
关键词：
C-H BONDS; CARBON NITRIDE; VISIBLE-LIGHT; CATALYST; CYCLOHEXANE;
D O I：
10.1021/ja200997a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Graphene sheet/polymeric carbon nitride nanocomposite (GSCN) functions as a metal-free catalyst to activate O-2 for the selective oxidation of secondary C-H bonds of cyclohexane. By fine-tuning the weight ratio of graphene and carbon nitride components, GSCN offers good conversion and high selectivity to corresponding ketones. Besides its high stability, this catalyst also exhibits high chemoselectivity for secondary C-H bonds of various saturated alkanes and, therefore, should be useful in overcoming challenges confronted by metal-mediated catalysis.
引用
收藏
页码：8074 / 8077
页数：4
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