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Model to explain the anisotropic phenomenon of effective mobility of organic field-effect transistors
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10.1063/1.2203959
/content/aip/journal/apl/88/20/10.1063/1.2203959
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/20/10.1063/1.2203959

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of the structure of OFETs with orientated film. (a) cross section and (b) top view of the device with current direction parallel grains orientation (top) and the device with current direction perpendicular to the grains orientation (bottom).

Image of FIG. 2.
FIG. 2.

Schematic illustration of the distribution of carriers’ density in the grains and in the grain boundaries ; illustration of effective grain size and grain boundary length .

Image of FIG. 3.
FIG. 3.

Illustration of the degeneration factor (AFM picture of pentacene see Ref. 9). and are the directions and is the misorientation angle.

Tables

Generic image for table
Table I.

Comparison of the overall effective mobility between experiment results and simulation results. and are the effective mobility when currents parallel to and perpendicular to the aligning direction, respectively. The units of them are both . The simulating parameters of pentacene are ; ; ; ; ; ; . The simulating parameters of copper phthalocyanine are ; ; ; ; ; ; . Simulation results A are obtained through our model; simulation results B are obtained via GBTM.

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/content/aip/journal/apl/88/20/10.1063/1.2203959
2006-05-19
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Model to explain the anisotropic phenomenon of effective mobility of organic field-effect transistors
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/20/10.1063/1.2203959
10.1063/1.2203959
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