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The electronic stru...
The electronic structure of polyaniline and doped phases studied by soft X-ray absorption and emission spectroscopies
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- Magnuson, Martin, 1965- (författare)
- Uppsala universitet,Fysiska institutionen,Uppsala University
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- Guo, J.-H. (författare)
- Uppsala universitet,Fysiska institutionen,Uppsala University
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- Butorin, S.-M. (författare)
- Uppsala University
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- Agui, A. (författare)
- Uppsala universitet,Fysiska institutionen,Uppsala University,University of Durham
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- Såthe, Conny (författare)
- Uppsala universitet,Fysiska institutionen,Uppsala University
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- Nordgren, Joseph (författare)
- Uppsala universitet,Fysiska institutionen,Uppsala University
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- Monkman, A. (författare)
- University of Durham
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(creator_code:org_t)
- AIP Publishing, 1999
- 1999
- Engelska.
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Ingår i: Journal of Chemical Physics. - : AIP Publishing. - 0021-9606 .- 1089-7690. ; 111:10, s. 4756-4761
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Abstract
Ämnesord
Stäng
- The electronic structure of the conjugated polymer, polyaniline, has been studied by resonant and nonresonant soft x-ray emission spectroscopy using synchrotron radiation for the excitation. The measurements were made on polyaniline and a few doped (protonated) phases for both the carbon and nitrogen contents. The resonant x-ray emission spectra show depletion of the π electron bands due to the selective excitation which enhances the effect of symmetry selection rules. The valence band structures in the x-ray emission spectra attributed to the π bands show unambiguous changes of the electronic structure upon protonation. By comparing to x-ray absorption measurements, the chemical bonding and electronic configuration is characterized.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Polymers and organic compounds
- X-ray absorption spectra
- X-ray emission spectra and fluorescence
- NATURAL SCIENCES
- NATURVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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