Characterization of self-assembled monolayer of thiophenol on gold by Penning ionization electron spectroscopy

被引：21
|
作者：
Abduaini, A
Kera, S
Aoki, M
Okudaira, KK
Ueno, N
Harada, Y
机构：
[1] Chiba Univ, Fac Engn, Dept Mat Sci, Inage Ku, Chiba 263, Japan
[2] Univ Tokyo, Grad Sch Arts & Sci, Dept Chem, Tokyo 153, Japan
[3] Inst Mol Sci, Okazaki, Aichi 444, Japan
来源：
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 1998年 / 88卷
关键词：
Penning ionization electron spectroscopy; ultraviolet photoelectron spectroscopy; thiophenol; self-assembled monolayer;
D O I：
10.1016/S0368-2048(97)00271-5
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The molecular orientation in self-assembled monolayers (SAMs) of thiophenol chemisorbed on polycrystalline gold from aqueous solutions has been investigated by Penning ionization electron spectroscopy (PIES) and ultraviolet photoelectron spectroscopy (UPS). The analysis of the relative band intensity of the Penning spectrum indicates that the phenyl ring in phenyl thiolate stands perpendicular to the substrate plane at room temperature. Upon heating, the phenyl ring becomes tilted in the layer. (C) 1998 Elsevier Science B.V.
引用
收藏
页码：849 / 854
页数：6
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