C60/metal surfaces:: adsorption and decomposition

被引：67

作者：

Pedio, M

Hevesi, K

Zema, N

Capozi, M

Perfetti, P

Gouttebaron, R

Pireaux, JJ

Caudano, R

Rudolf, P ^{[1
]}

机构：

[1] Fac Univ Notre Dame Paix, Lab Interdisciplinaire Spect Elect, B-5000 Namur, Belgium

[2] Consiglio Nazl Ric, Ist Struttura Mat, I-00133 Rome, Italy

来源：

SURFACE SCIENCE | 1999年 / 437卷 / 1-2期

关键词：

chemisorption; fullerenes; inverse photoemission spectroscopy; low energy electron diffraction; nickel; photoelectron spectroscopy; platinum; silver;

D O I：

10.1016/S0039-6028(99)00732-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

C-60 was deposited on Ni(110), Pt(111) and Ag(111) and annealed at different temperatures. The structural properties of the overlayer were investigated by low-energy electron diffraction, the changes induced by adsorption on its electronic properties were studied by valence band and core-level photoemission spectroscopy and inverse photoemission spectroscopy. On all surfaces C-60 is chemisorbed and a clear signature for charge transfer is found for C-60 on Ni(110) and Ag(111). Decomposition of C-60 takes place on Ni(110) and Pt(111) above 690 K and 560 K respectively. The decomposition is a kinetically limited reaction on both surfaces and on Pt(111) we find a very strongly chemisorbed precursor state for decomposition. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：249 / 260

页数：12

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