Electrical properties of spin coated PMMA for OFETs applications

Author

Ismail, L.N. ; Habibah, Z. ; Abdullah, M.H. ; Herman, Sukreen Hana ; Rusop, M.

Author_Institution

NANO-Electron. Center (NET), Univ. Teknol. MARA, Selangor, Malaysia

fYear

2011

fDate

25-27 April 2011

Firstpage

333

Lastpage

338

Abstract

Poly (methy-methacrylate) (PMMA) thin films were deposited by sol-gel spin coating method on glass substrates. PMMA powder was dissolved in 60ml Toluene with the concentration of the PMMA in the solution was varied from 30 ~ 120 mg. Besides the PMMA concentration, we also studied the effect of the thin films thickness on the electrical properties. The results for electrical properties showed that there is a difference of the I-V, resistivity, conductivity and the dielectric constant with different thickness. Conductivity of the PMMA thin film was found to ~10^-6 Ωcm and continue to decrease as the PMMA concentration increased. Pinholes were identified to be formed on the films with the higher density due to the increasing PMMA concentration.

Keywords

electrical conductivity; electrical resistivity; permittivity; polymer films; spin coating; OFETs applications; PMMA concentration; SiO₂; dielectric constant; electrical conductivity; electrical properties; electrical resistivity; glass substrates; pinholes; poly (methy-methacrylate) thin films; sol-gel spin coating method; toluene; Conductivity; Dielectric constant; Films; OFETs; Permittivity; Surface morphology; Surface roughness; OFET; PMMA; dielectric constant;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronic Devices, Systems and Applications (ICEDSA), 2011 International Conference on

Conference_Location

Kuala Lumpur

ISSN

2159-2047

Print_ISBN

978-1-61284-388-9

Type

conf

DOI

10.1109/ICEDSA.2011.5959074

Filename

5959074