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Polymer light emitting devices with Langmuir-Blodgett (LB) films : enhanced performance due to an electron-injecting layer of ionomers

Olivati, Clarissa A. ; Ferreira, Marystela ; Carvalho, Antonio J. F. ; Balogh, Debora T. ; Oliveira, Osvaldo N. ; Seggern, Heinz von ; Faria, Roberto M. :
Polymer light emitting devices with Langmuir-Blodgett (LB) films : enhanced performance due to an electron-injecting layer of ionomers.
[Online-Edition: http://www.sciencedirect.com/science/article/pii/S0009261405...]
In: Chemical physics letters, 408 p. 31.
[Artikel], (2005)

Offizielle URL: http://www.sciencedirect.com/science/article/pii/S0009261405...

Kurzbeschreibung (Abstract)

Polymer light-emitting devices (PLEDs) have been produced with Langmuir–Blodgett (LB) films from poly(2-methoxy-5-hexyloxy)-p-phenylenevinylene (OC1OC6–PPV) as the emissive layer and an ionomer of a copolymer of styrene and methylmethacrylate (PS/PMMA) as an electron-injection layer. The main features of such devices are the low operating voltages, obtainable firstly due to the good quality of the ultrathin LB films that allows PLEDs to be produced reproducibly and secondly due to the improved electrical and luminance properties brought by the electron-injection layer. Also demonstrated is the superior performance of an all-LB device compared to another one produced with cast films of the same materials.

Typ des Eintrags: Artikel
Erschienen: 2005
Autor(en): Olivati, Clarissa A. ; Ferreira, Marystela ; Carvalho, Antonio J. F. ; Balogh, Debora T. ; Oliveira, Osvaldo N. ; Seggern, Heinz von ; Faria, Roberto M.
Titel: Polymer light emitting devices with Langmuir-Blodgett (LB) films : enhanced performance due to an electron-injecting layer of ionomers
Sprache: Englisch
Kurzbeschreibung (Abstract):

Polymer light-emitting devices (PLEDs) have been produced with Langmuir–Blodgett (LB) films from poly(2-methoxy-5-hexyloxy)-p-phenylenevinylene (OC1OC6–PPV) as the emissive layer and an ionomer of a copolymer of styrene and methylmethacrylate (PS/PMMA) as an electron-injection layer. The main features of such devices are the low operating voltages, obtainable firstly due to the good quality of the ultrathin LB films that allows PLEDs to be produced reproducibly and secondly due to the improved electrical and luminance properties brought by the electron-injection layer. Also demonstrated is the superior performance of an all-LB device compared to another one produced with cast films of the same materials.

Titel der Zeitschrift, Zeitung oder Schriftenreihe: Chemical physics letters
Band: 408
Verlag: Elsevier Science Publishing
Fachbereich(e)/-gebiet(e): Fachbereich Material- und Geowissenschaften > Materialwissenschaften > Elektronische Materialeigenschaften
Fachbereich Material- und Geowissenschaften > Materialwissenschaften
Fachbereich Material- und Geowissenschaften
Hinterlegungsdatum: 20 Nov 2008 08:21
Offizielle URL: http://www.sciencedirect.com/science/article/pii/S0009261405...
Sponsoren: This work was supported by CNPq, FAPESP and IMMP/MCT (Brazil) and DAAD (Germany).
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