Interphase orientation of polyimide on polycrystalline gold, silver and Si(100)

M. Grunze*, G. Hähner, Ch Wöll, W. Schrepp

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

In this paper we present experimental data that can be used to infer the structural parameters of ultrathin polyimide films as a function of distance from the substrate surface. The polyimide films are prepared by the Langmuir‐Blodgett technique in a layer‐by‐layer fashion, and the orientation of the pyromellitimide unit in the polyimide macromolecules is determined as a function of film thick‐ness by near‐edge x‐ray absorption fine structure (NEXAFS) spectroscopy. To demonstrate that the interfacial bond determines the orientation of the polymer chains in the interphase, results for polyimide on gold, silver and Si(100) are compared.

Original languageEnglish
Pages (from-to)393-401
Number of pages9
JournalSurface and Interface Analysis
Volume20
Issue number5
DOIs
Publication statusPublished - 1 Jan 1993

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