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Time-resolved spin-dependent processes in magnetic field effects in organic semiconductors
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10.1063/1.4768474
/content/aip/journal/jap/112/11/10.1063/1.4768474
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/11/10.1063/1.4768474

Figures

Image of FIG. 1.
FIG. 1.

The transient EL responses of the device driven by various rectangular pulse voltages (repetition: 1 kHz; width: 4 μs) with the magnetic field (150 mT) being on (red line) and off (black line). The inserts (a) and (b) show the enlargement of the EL curves at the pulse-duration period when the driving voltages are 7 V and 15 V, respectively. The insert (c) is a scheme of the structure of the device.

Image of FIG. 2.
FIG. 2.

The time-resolved MELs (calculated by MEL = [EL(t,B) − EL(t,0)]/EL(t,0)) of the device driven by various rectangular pulse (6 V, 10 V, and 15 V).

Image of FIG. 3.
FIG. 3.

Schematic diagram for carriers and excitons kinetics.

Image of FIG. 4.
FIG. 4.

The simulation results of the triplet (a) and singlet (b) density as a function of time with the magnetic field being on (red line) and off (black line) for the driving voltage of 15 V, all the values of the parameters used in the simulation are shown at the same time. (c) The experimental data of the EL response driven by a voltage of 15 V with the magnetic field of 150 mT on (red line) and off (black line).

Image of FIG. 5.
FIG. 5.

The simulated time-resolved MELs (red line) and the experimental data (black line) at the pulse-duration period for various driving voltages (6 V, 10 V, and 15 V). The onset time of the EL (t EL_onset) and the corresponding current densities in the device at each voltage are shown in each part of the figure.

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/content/aip/journal/jap/112/11/10.1063/1.4768474
2012-12-11
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Time-resolved spin-dependent processes in magnetic field effects in organic semiconductors
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/11/10.1063/1.4768474
10.1063/1.4768474
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