The electronic and geometric structures of neutral and potassium-doped poly [3-(4-octylphenyl)thiophene] studied by photoelectron spectroscopy

K Z Xing, M Fahlman, M Berggren, O Inganäs, M R Andersson, M Boman, S Stafström, G Iucci, P Bröms, N Johansson, M Lögdlund, W R Salaneck

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Abstract

The electronic and geometric structures of poly [3-(4-octylphenyl)thiophene] have been studied by X-ray and ultraviolet photoelectron spectroscopy (XPS and UPS, respectively). Thermochromic effects, and new charge induced states generated by potassium doping, have been observed by direct UPS measurements. The experimental results are in very good agreement with the results of theoretical quantum chemical calculations performed with the Austin Model 1 semi-empirical model and the valence-effective Hamiltonian pseudo-potential model.
Original languageEnglish
Pages (from-to)263-267
Number of pages5
JournalSynthetic Metals
Volume76
Issue number1-3
DOIs
Publication statusPublished - Jan 1996
Externally publishedYes

Keywords

  • Structure
  • doping
  • spectroscopy

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    Xing, K. Z., Fahlman, M., Berggren, M., Inganäs, O., Andersson, M. R., Boman, M., Stafström, S., Iucci, G., Bröms, P., Johansson, N., Lögdlund, M., & Salaneck, W. R. (1996). The electronic and geometric structures of neutral and potassium-doped poly [3-(4-octylphenyl)thiophene] studied by photoelectron spectroscopy. Synthetic Metals, 76(1-3), 263-267. https://doi.org/10.1016/0379-6779(95)03467-X