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Enhanced field-effect mobility in pentacene based organic thin-film transistors on polyacrylates
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10.1063/1.3075873
/content/aip/journal/jap/105/6/10.1063/1.3075873
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/6/10.1063/1.3075873

Figures

Image of FIG. 1.
FIG. 1.

Schematic structure of the OTFT devices with different dielectric layers: (a) pristine PTFAM and (b) .

Image of FIG. 2.
FIG. 2.

Electrical properties of OTFTs with different gate dielectrics. Output characteristics: (a) pristine PTFMA; (b) PTFMA coated with . Transfer characteristics: (c) pristine PTFMA; (d) PTFMA coated with . The gate voltage is swept at a constant drain-source voltage . Inset: AFM images of pentacene film topography grown on polymeric dielectrics.

Image of FIG. 3.
FIG. 3.

Schematic energy level diagram for illustrating the interface between gate insulators and pentacene in top-contact devices: (a) with and (b) without dipole effect on the gate dielectric/pentacene interface. The “” and “−“ denote the hole and electron, respectively.

Image of FIG. 4.
FIG. 4.

Hysteresis in transfer characteristics of the based OTFT. The solid arrow and the dotted arrow indicate the forward and backward sweep, respectively. The gate voltage was swept at a constant drain-source and gate voltage: . Inset: the normalized source-drain current degradation as a function of time after stress.

Tables

Generic image for table
Table I.

Gate dielectric thin-film surface characteristics.

Generic image for table
Table II.

Electrical performance parameters for OTFTs with different gate dielectrics (note: the side-chain groups are for gate dielectrics).

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/content/aip/journal/jap/105/6/10.1063/1.3075873
2009-03-19
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced field-effect mobility in pentacene based organic thin-film transistors on polyacrylates
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/6/10.1063/1.3075873
10.1063/1.3075873
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