X-ray photoelectron spectroscopy studies of the stability of Al/Mg/PET interfaces

被引：3

作者：

Kono, M ^{[1
]}

Wong, PC ^{[1
]}

Li, YS ^{[1
]}

Mitchell, KAR ^{[1
]}

机构：

[1] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada

来源：

SURFACE REVIEW AND LETTERS | 2000年 / 7卷 / 03期

关键词：

D O I：

10.1016/S0218-625X(00)00034-8

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 interfacial chemistry of an Al/Mg/PET sample, prepared by thermally evaporating first Mg and then Al on to a polyethyleneterephthalate (PET) film, was studied by X-ray photoelectron spectroscopy (XPS). The Mg/PET system showed two types of Mg species, namely an O-Mg-C complex, from reaction with the carbonyl group on PET, and metal-like clusters. The deposition of Al results in intermetallic mixing, which is manifested by alloy formation and Mg enrichment at the surface. It appears that some Al atoms penetrate the Mg region to react with carbonyl groups in the PET and form an interfacial complex with O-Al-C bonding. The stability of this sample was studied on exposing it to air and then rinsing it with water. The metal overlayers are strongly modified by these treatments, although the bonding at the PET interface appears relatively unchanged.

引用

页码：227 / 233

页数：7

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