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Chemical and electronic aspects of metal/conjugated polymer interfaces : Implications for electronic devices

Lazzaroni, R. (author)
Service de Chimie des Matériaux Nouveaux Centre de Recherche en Electronique et Photonique Moléculaires Université de Mons-Hainaut, Mons, Belgium
Lögdlund, Michael (author)
Service de Chimie des Matériaux Nouveaux Centre de Recherche en Electronique et Photonique Moléculaires Université de Mons-Hainaut, Mons, Belgium
Calderone, A. (author)
Service de Chimie des Matériaux Nouveaux Centre de Recherche en Electronique et Photonique Moléculaires Université de Mons-Hainaut, Mons, Belgium
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Brédas, J. L. (author)
Service de Chimie des Matériaux Nouveaux Centre de Recherche en Electronique et Photonique Moléculaires Université de Mons-Hainaut, Mons, Belgium
Dannetun, Per (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
Fauquet, C. (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
Fredriksson, C. (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
Stafström, Sven (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
Salaneck, William R. (author)
Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan
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 (creator_code:org_t)
Elsevier, 1995
1995
English.
In: Synthetic metals. - : Elsevier. - 0379-6779 .- 1879-3290. ; 71:1-3, s. 2159-2162
Related links:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The chemical nature and the electronic structure of metal/conjugated polymer interfaces are investigated in the context of polymer-based light-emitting diodes. We consider the interaction of low-workfunction metals (Al, Ca) with the surface of conjugated polymers or model oligomer molecules with a combined experimental and theoretical approach. The early stages of the interface formation are followed with X-ray and ultraviolet photoelectron spectroscopies and the experimental data are compared to the results of quantum chemical calculations. The reactions of Al and Ca with the organic surface are found to be fundamentally different: while the former forms new covalent bonds onto the polymer backbone, the latter tends to dope the conjugated system. Both types of reaction are expected to modify drastically the electronic properties of the polymer semiconductor.

Subject headings

NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)
NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Publication and Content Type

ref (subject category)
art (subject category)

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