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Journal Article

Growth of pyromellitic dianhydride on an amino-terminated surface


Grunze,  M.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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Gölzhäuser, A., Panov, S., Mast, M., Schertel, A., Grunze, M., & Wöll, C. (1995). Growth of pyromellitic dianhydride on an amino-terminated surface. Surface Science, 334(1-3), 235-247. doi:10.1016/0039-6028(95)00251-0.

Cite as: https://hdl.handle.net/21.11116/0000-0001-A93C-E
A novel strategy with regard to an improvement of polymer/metal adhesion is described and tested for the case of polyimide and copper. Pyromellitic dianhydride (PMDA) has been deposited on an amino-terminated surface, which was prepared by chemical vapor deposition of 4,4′-diaminodiphenyldisulfide (DAPS) on Cu(100). Photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy have been used to show that an oriented monolayer of PMDA grows on the amino-terminated surface by chemical epitaxy. Heating to 450 K induces an imidization reaction. Comparison to data for codeposited DAPS + PMDA multilayers reveals that this imidization reaction produces intact imide units. In case of the multilayer significant amounts of Cu atoms are found to diffuse into the polyimide.