INTERPHASE ORIENTATION OF POLYIMIDE ON POLYCRYSTALLINE GOLD, SILVER AND SI(100)

Authors
GRUNZE M HAHNER G WOLL C SCHREPP W
Citation
M. Grunze et al., INTERPHASE ORIENTATION OF POLYIMIDE ON POLYCRYSTALLINE GOLD, SILVER AND SI(100), Surface and interface analysis, 20(5), 1993, pp. 393-401
Citations number
25
Categorie Soggetti
Chemistry Physical
Journal title
Surface and interface analysis → ACNP
ISSN journal
01422421
Volume
20
Issue
5
Year of publication
1993
Pages
393 - 401
Database
ISI
SICI code
0142-2421(1993)20:5<393:IOOPOP>2.0.ZU;2-R
Abstract
In this paper we present experimental data that can be used to infer t he 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 t he orientation of the pyromellitimide unit in the polyimide macromolec ules 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) a re compared.