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Theoretical X-ray photoelectron and emission spectra of C-, N-, and O-containing polymers by density-functional theory calculations using model molecules

TitleTheoretical X-ray photoelectron and emission spectra of C-, N-, and O-containing polymers by density-functional theory calculations using model molecules
Publication TypeJournal Article
Year of Publication2000
AuthorsShimada, S, Ida, T, Endo, K, Suhara, M, Kurmaev, EZ, Chong, DP
JournalPolymer Journal
Volume32
Pagination1030-1037
Type of ArticleArticle
ISBN Number0032-3896
KeywordsALCOHOL), APPROXIMATION, C1S SPECTRA, ELECTRON BINDING-ENERGIES, electronic state, FILMS, MO METHOD, OLIGOMERS, PEO, PMDA-ODA), POLYIMIDE, polymer (PVA, SPECTROSCOPY, XES and XPS, XPS
Abstract

The X-Ray photoelectron and emission spectra (XPS, XES) of C-, N-, and O-containing polymers [polyvinyl alcohol (PVA), polyethylene oxide (PEO), and dianhydride-4,4’-oxydianiline (PMDA-ODA)] were simulated by deMon density-functional theory (DFT) calculations using the model molecules. The theoretical valence photoelectron and C, N, and O K alpha X-Ray emission spectra showed good agreement with some experimental ones. The combined analysis of the valence XPS and C, N, and O K alpha XES enables us to divide the observed valence electronic distribution into the individual contributions for p sigma-, p pi- and non-bonding MOs of the polymers.
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