Atomic-scale evidence for an enhanced catalytic reactivity of stretched surfaces

被引：53

作者：

Wintterlin, J

Zambelli, T

Trost, J

Greeley, J

Mavrikakis, M

机构：

[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany

[2] Univ Wisconsin, Dept Chem Engn, Madison, WI 53706 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2003年 / 42卷 / 25期

关键词：

chemisorption; density functional calculations; heterogeneous catalysis; scanning probe microscopy; surface chemistry;

D O I：

10.1002/anie.200250845

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

NO can't take the strain: NO molecules are observed to preferentially dissociate near edge dislocations which originate in the bulk phase and intersect the metal surface. The effect is caused by lattice strain, a phenomenon in heterogeneous catalysis, which has been postulated for a long time and is demonstrated here on the atomic scale by calculations and STM images (see picture of two edge dislocations; black points: N atoms).

引用

页码：2850 / 2853

页数：4

共 24 条

[1] HIGH-RESOLUTION ELECTRON-ENERGY LOSS INVESTIGATIONS OF THE ADSORPTION OF NO ON THE CLEAN AND OXYGEN PRECOVERED RU(001) SURFACE
CONRAD, H
SCALA, R
STENZEL, W
UNWIN, R
[J]. SURFACE SCIENCE, 1984, 145 (01) : 1 - 19
[2] Role of steps in N2 activation on Ru(0001)
Dahl, S
Logadottir, A
Egeberg, RC
Larsen, JH
Chorkendorff, I
Törnqvist, E
Norskov, JK
[J]. PHYSICAL REVIEW LETTERS, 1999, 83 (09) : 1814 - 1817
[3] Eckell J, 1933, Z ELKTROCHEM ANGEW P, V39, P433
[4] Atomistic simulation of the atomic structure and diffusion within the core region of an edge dislocation in aluminum
Fang, QF
Wang, R
[J]. PHYSICAL REVIEW B, 2000, 62 (14): : 9317 - 9324
[5] Electronic structure and catalysis on metal surfaces
Greeley, J
Norskov, JK
Mavrikakis, M
[J]. ANNUAL REVIEW OF PHYSICAL CHEMISTRY, 2002, 53 : 319 - 348
[6] Effect of substrate strain on adsorption
Gsell, M
Jakob, P
Menzel, D
[J]. SCIENCE, 1998, 280 (5364) : 717 - 720
[7] Implication of the microstructure of binary Cu/ZnO catalysts for their catalytic activity in methanol synthesis
Günter, MM
Ressler, T
Bems, B
Büscher, C
Genger, T
Hinrichsen, O
Muhler, M
Schlögl, R
[J]. CATALYSIS LETTERS, 2001, 71 (1-2) : 37 - 44
[8] Redox behavior of copper oxide/zinc oxide catalysts in the steam reforming of methanol studied by in situ X-ray diffraction and absorption spectroscopy
Günter, MM
Ressler, T
Jentoft, RE
Bems, B
[J]. JOURNAL OF CATALYSIS, 2001, 203 (01) : 133 - 149
[9] Improved adsorption energetics within density-functional theory using revised Perdew-Burke-Ernzerhof functionals
Hammer, B
Hansen, LB
Norskov, JK
[J]. PHYSICAL REVIEW B, 1999, 59 (11) : 7413 - 7421
[10] Effect of strain on the reactivity of metal surfaces
Mavrikakis, M
Hammer, B
Norskov, JK
[J]. PHYSICAL REVIEW LETTERS, 1998, 81 (13) : 2819 - 2822

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