TITLE

Influence of grain sizes on the mobility of organic thin-film transistors

AUTHOR(S)
Di Carlo, A.; Piacenza, F.; Bolognesi, A.; Stadlober, B.; Maresch, H.
PUB. DATE
June 2005
SOURCE
Applied Physics Letters;6/27/2005, Vol. 86 Issue 26, p263501
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A mobility model for organic thin-film transistors (OTFTs) has been considered that fully accounts for the effect of grains and grain boundaries of the organic layer. The model has been applied to a top contact pentacene OTFT. Comparison between simulation results and experimental data shows a strong dependence of mobility as a function of grain size. The field-effect-extracted mobility is not linearly related to the grain size, but presents a rather abrupt reduction for a grain size smaller than 2 μm.
ACCESSION #
17545088

 

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