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A simple model for ion injection and transport in conducting polymers
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10.1063/1.4812236
/content/aip/journal/jap/113/24/10.1063/1.4812236
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4812236

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of the modeled device, indicating the charge distribution in the film at (a) t = 0, when the film is fully doped, and (b) t > 0, when the film is partially dedoped. The drift length, , of injected ions and the total length of the film, , are indicated. (c) Equivalent circuit diagram for t > 0 where and are the resistors that correspond to the dedoped and the still-doped parts of the film, respectively, and is the voltage at .

Image of FIG. 2.
FIG. 2.

Spatial distribution of (a) P (black dotted line), N (grey dotted line), and P-N (solid line), (b) hole density, and (c) voltage across the device. The perpendicular dotted line marks the interface between the electrolyte and film. The ion densities in the electrolyte were set to P = N = 10 cm, the ion mobilities in the film to  =  = 10 cm V s, and V = 1 V. The snapshots shown are for t = 2, 4, 6, 8, and 10 s.

Image of FIG. 3.
FIG. 3.

Temporal dependence of (a) drift length and (b) current density. The open circles are the results of the numerical model and the lines are fits to the predictions of the analytical model.

Image of FIG. 4.
FIG. 4.

(a) Spatial distribution of P-N for an applied voltage of 0.01, 0.05, 0.1, 0.5, and 1 V (violet to black line), at t = 10 s. (b) Corresponding voltage profiles, normalized to 1 at X = 200 nm. The perpendicular dotted lines mark the interface between the electrolyte and film.

Image of FIG. 5.
FIG. 5.

(a) Spatial distribution of P-N for an ion density equal to 10 cm, 10 cm, and 10 cm (black to blue line), at t = 10 s. (b) Corresponding voltage profiles. The perpendicular dotted lines mark the interface between the electrolyte and film.

Image of FIG. 6.
FIG. 6.

Spatial distribution of P-N for a cation mobility in the film equal to 10, 10, and 10 cm V s (blue to black line), for times stated near the plots. (b) Corresponding voltage profiles. The perpendicular dotted lines mark the interface between the electrolyte and film.

Tables

Generic image for table
Table I.

Input and extracted [from Eq. (3) ] values of the cation drift mobility in the film for various applied voltages.

Generic image for table
Table II.

Input and extracted [from Eq. (3) ] values of the cation drift mobility in the film for various ion densities in the electrolyte.

Generic image for table
Table III.

Extracted [from Eq. (3) ] values of the cation drift mobility in the film for different input values.

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/content/aip/journal/jap/113/24/10.1063/1.4812236
2013-06-25
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A simple model for ion injection and transport in conducting polymers
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4812236
10.1063/1.4812236
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