Substrate Size-Selective Catalysis with Zeolite-Encapsulated Gold Nanoparticles

被引：153
|
作者：
Laursen, Anders B. [1 ,2 ]
Hojholt, Karen T. [1 ,3 ]
Lundegaard, Lars F. [1 ]
Simonsen, Soren B. [1 ]
Helveg, Stig [1 ]
Schueth, Ferdi [4 ]
Paul, Michael [4 ]
Grunwaldt, Jan-Dierk [2 ]
Kegnoes, Soren [3 ]
Christensen, Claus H. [1 ,3 ]
Egeblad, Kresten [1 ,3 ]
机构：
[1] Haldor Topsoe Res Labs, DK-2800 Lyngby, Denmark
[2] Tech Univ Denmark, DTU Chem Engn, DK-2800 Lyngby, Denmark
[3] Tech Univ Denmark, Ctr Sustainable & Green Chem, DK-2800 Lyngby, Denmark
[4] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 20期
关键词：
gold; mesoporous materials; nanoparticles; oxidation; zeolites; ELECTRON TOMOGRAPHY; AEROBIC OXIDATION; SINGLE-CRYSTALS; HYDROGENATION; CO;
D O I：
10.1002/anie.200906977
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The Dark Crystal: A hybrid material is reported that is comprised of 1-2 nm sized gold nanoparticles, accessible only through zeolite micropores in a silicalite-1 crystal, as shown by three-dimensional TEM tomography (see picture). Calcination experiments indicate that the embedded nanoparticles are highly stable towards sintering. Figure Equation Present. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：3504 / 3507
页数：4
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