Title :
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
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;
Conference_Titel :
Electronic Devices, Systems and Applications (ICEDSA), 2011 International Conference on
Conference_Location :
Kuala Lumpur
Print_ISBN :
978-1-61284-388-9
DOI :
10.1109/ICEDSA.2011.5959074
