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Fourier Transform Infrared Spectroscopy of Polymer-Metal Interface Reactions

Published online by Cambridge University Press:  15 February 2011

B. H. Cumpston ,
J. P. Lu ,
B. G. Willis  and
K. F. Jensen
B. H. Cumpston
Affiliation:
Department of Chemical Engineering Massachusetts Institute of Technology Cambridge, MA 02139
J. P. Lu
Affiliation:
Department of Chemical Engineering Massachusetts Institute of Technology Cambridge, MA 02139
B. G. Willis
Affiliation:
Department of Chemical Engineering Massachusetts Institute of Technology Cambridge, MA 02139
K. F. Jensen
Affiliation:
Department of Chemical Engineering Massachusetts Institute of Technology Cambridge, MA 02139
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Abstract

Applications of Fourier transform infrared (FTIR) spectroscopy for probing polymer-metal interfaces are described with examples of polyimide (PI)-metal systems relevant to electronics packaging and poly(phenylene vinylene) (PPV) derivatives used in electroluminescent devices. Emphasis is placed on the detection and interpretation of interfacial reactions that influence performance characteristics (e.g., adhesion, stability, and light emission) of polymer-metal structures. In situ infrared reflection absorption spectroscopy (IRRAS) is used to explore the formation of PI-on-metal interfaces, the hydrolytic stability of such interfaces, and the reactivity of PPV systems when exposed to ultraviolet light and oxygen. Differences between polymer-on-metal and metal-onpolymer interfaces are discussed. Models of the infrared optical processes in the thin film composites are used to distinguish between chemical and optical effects. The FTIR observations are supported by additional spectroscopic characterizations, specifically ex situ X-ray photoelectron spectroscopy (XPS).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 385: Symposium N – Polymer/Inorganic Interfaces II , 1995 , 103
Copyright
Copyright © Materials Research Society 1995

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References

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