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Proceedings of the International Conference on Science and Technology of Synthetic Metals The chemical and electronic structure of the interface between aluminum and conjugated polymers or molecules
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-9879-3915
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering.
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1993 (English)In: Synthetic metals, ISSN 0379-6779, E-ISSN 1879-3290, Vol. 55, no 1, 212-217 p.Article in journal (Refereed) PublishedText
Abstract [en]

The interaction between aluminum and α-ω-diphenyltetradecaheptaenee (DP7), α-sexithienyl (6T), and poly(p-phenylenevinylene) (PPV), respectively have been studied using both X-ray Photoelectron Spectroscopy (XPS) and Ultraviolet Photoelectron Spectroscopy (UPS). The UPS valence band spectra, are interpreted with the help of quantum chemical calculations based upon Modified Neglect of Diatomic Overlap (MNDO), Valence Effective Hamitonian (VEH) and ab initio Hartree-Fock methods. DP7 is a model molecule for polyacetylene, while 6T is a model molecule (an oligomer) of polythiophene. The results indicate that aluminum reacts strongly with the surfaces of all of the materials studied. The π-electronic structure of each material was strongly modified. Furthermore, aluminum reacts preferentially with the polyene partof DP7, with the vinylene part of PPV, and with the α-carbons of the thiophene nits of 6T.

Place, publisher, year, edition, pages
Elsevier, 1993. Vol. 55, no 1, 212-217 p.
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Physical Chemistry
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URN: urn:nbn:se:liu:diva-124160DOI: 10.1016/0379-6779(93)90935-POAI: oai:DiVA.org:liu-124160DiVA: diva2:895992
Available from: 2016-01-20 Created: 2016-01-20 Last updated: 2016-02-01Bibliographically approved

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Fahlman, MatsBoman, MagnusStafström, SvenSalaneck, William R.
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Department of Physics, Chemistry and BiologyFaculty of Science & Engineering
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