The interaction between vapor-deposited Al atoms and methylester-terminated self-assembled monolayers studied by time-of-flight secondary ion mass spectrometry, X-ray photoelectron spectroscopy and infrared reflectance spectroscopy

被引:27
作者
Fisher, GL [1 ]
Hooper, A
Opila, RL
Jung, DR
Allara, DL
Winograd, N
机构
[1] Penn State Univ, Dept Chem, Davey Lab 152, University Pk, PA 16802 USA
[2] AT&T Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
[3] Natl Renewable Energy Lab, Golden, CO 80401 USA
关键词
monolayer; metal deposition; time-of-flight; overlayer; infrared;
D O I
10.1016/S0368-2048(98)00283-7
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
The deposition of 2 Angstrom of Al metal onto a monolayer of methylester-terminated alkanethiolate(HS(CH2)(15)CO2CH3) self-assembled on polycrystalline Au(lll) was studied using time-of-flight secondary ion mass spectrometry (ToF-SIMS), X-ray photoelectron spectroscopy (XPS) and infrared reflectance spectroscopy (IRS), The deposited Al was found to be highly reactive with the oxygen atoms in the self-assembled monolayer terminal functional group. No reactivity between Al and the methylene backbone of the monolayer was observed, nor was any Al observed at the monolayer/Au interface. However, the deposition of Al does induce some chain disordering. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:139 / 148
页数:10
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