"Interface-controlled pulsed-laser deposited polymer films in organic d" by D. Adil, N. B. Ukah et al.
 

Interface-controlled pulsed-laser deposited polymer films in organic devices

Abstract

Matrix assisted pulsed laser evaporation (MAPLE) allows homogeneous film coverage of organic materials for layer-by-layer growth providing a tighter control of the polymer-dielectric interface in field-effect transistors (FETs) and metal-insulator-semiconductor (MIS) diodes. Electrical characteristics of FETs and MIS diodes using MAPLE and spin-coated grown fluorene copolymer films are compared. Current-voltage characteristics of MAPLE grown FETs without any surface modification show a better performance compared to the spin-coated FETs. Capacitance-voltage and conductance-voltage investigations of the MIS structures show that loss as well as accumulation capacitance and time constant dispersions are less in the MAPLE grown film compared to the spin-coated film.

Department(s)

Physics, Astronomy, and Materials Science

Document Type

Article

DOI

https://doi.org/10.1016/j.synthmet.2010.09.034

Keywords

Field-effect transistor, Metal-insulator-semiconductor, Polyfluorene, Pulsed laser evaporation

Publication Date

12-1-2010

Journal Title

Synthetic Metals

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