The electronic states of ordered thin film of perylene on Ag (110)

被引：1
|
作者：
Huang, H
Yan, XC
Mao, HY
Chen, Q
Qian, HQ
Zhang, JH
Li, HY
He, PM
Bao, SN [1 ]
机构：
[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
[2] Zhejiang Educ Inst, Hangzhou 310012, Peoples R China
[3] Univ St Andrews, Sch Chem, St Andrews KY16 9AJ, Fife, Scotland
[4] Univ St Andrews, Ultrafast Photon Collaborat, St Andrews KY16 9AJ, Fife, Scotland
来源：
ACTA PHYSICO-CHIMICA SINICA | 2004年 / 20卷 / 08期
关键词：
organic semiconductor material; ultraviolet photoemission spectroscopy; structure and electronic structure;
D O I：
10.3866/PKU.WHXB20040820
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：
The growth of perylene on Ag (110) has been studied by the ultraviolet photoemission spectroscopy (UPS) measurements and the low-energy electron diffraction (LEED). Four emission features from perylene are located at 3. 5, 4. 8, 6. 4 and 8. 5 eV below the Fermi level respectively. An ordered structure of C (6 x 2) can be observed when the organic film is about one monolayer (0.3 nm thickness). The angle-resolved ultraviolet photoemission spectroscopy (ARUPS) measurements show that the molecules of perylene near the interface are parallel to the substrate. The desorption of the organic material occurs with warming the substrate, but the perylene molecules are stable on Ag(110) surface, no decomposition is observed below 140 degreesC.
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页码：882 / 886
页数：5
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