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Origin of magnetic field effect enhancement by electrical stress in organic light emitting diodes
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10.1063/1.3151709
/content/aip/journal/jap/105/12/10.1063/1.3151709
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/12/10.1063/1.3151709
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) MC (filled symbols) and MEL (open symbols) of a SY-PPV OLED as a function of applied voltage before conditioning (triangles), immediately after conditioning at for 1 h (squares), and 2 days after conditioning (circles). The inset shows MC and MEL for the device before conditioning in the range of small voltages. (b) Corresponding characteristics (filled symbols) and curves (open symbols) at .

Image of FIG. 2.
FIG. 2.

EL (open symbols), (filled symbols), and (half-filled symbols) as a function of current for a SY-PPV based device before (triangles) and after (squares) conditioning at for 1 h.

Image of FIG. 3.
FIG. 3.

(a) MC of an based OLED as a function of applied voltage before conditioning (squares), after conditioning at for 0.5 h before IR light illumination (triangles), during illumination (diamonds), and after illumination (circles). (b) Corresponding curves. (c) Corresponding changes in current density as a function of current density at . The inset shows as a function of current density.

Image of FIG. 4.
FIG. 4.

(a) Temporal evolution of the current through a SY-PPV device at 0 V bias after electrical loading at 81 K without and with IR light illumination. (b) Corresponding TSC signals.

Image of FIG. 5.
FIG. 5.

(a) MC as a function of voltage for the pristine device (squares), after a first conditioning at for 1 h (circles), after subsequent annealing at for 3 h (diamonds), and after a second conditioning at for 1 h (triangles). (b) MC as a function of voltage for the pristine device (squares), after annealing at for 3 h (diamonds), and after subsequent conditioning at for 1 h (triangles). [(c) and (d)] Corresponding and curves.

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/content/aip/journal/jap/105/12/10.1063/1.3151709
2009-06-19
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Origin of magnetic field effect enhancement by electrical stress in organic light emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/12/10.1063/1.3151709
10.1063/1.3151709
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