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Soliton pair charge storage in doped polyene molecules: Evidence from photoelectron spectroscopy studies
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.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering.
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1993 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 70, no 7, p. 970-973Article in journal (Refereed) Published
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Abstract [en]

The π-electronic structural changes in a polyene molecule containing seven double bonds, α,ω-diphenyltetradecaheptaene (DP7), have been studied upon gradually doping with sodium, using x-ray and ultraviolet photoelectron spectroscopies. The spectra are interpreted with the help of detailed quantum chemical calculations. Analysis of the evolution of the XPS and UPS spectra as a function of doping with sodium indicates that the extra charges are stored in the form of two charged solitons on the polyene part of the molecules, which results in two new energy levels in the originally forbidden energy gap.

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1993. Vol. 70, no 7, p. 970-973
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Theoretical Chemistry Physical Chemistry
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URN: urn:nbn:se:liu:diva-124159DOI: 10.1103/PhysRevLett.70.970PubMedID: 10054251OAI: oai:DiVA.org:liu-124159DiVA: diva2:895989
Available from: 2016-01-20 Created: 2016-01-20 Last updated: 2017-11-30Bibliographically approved

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Stafström, SvenSalaneck, William R.

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Lögdlund, MichaelDannetun, PerStafström, SvenSalaneck, William R.
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