Abstract
In the present work, bottom-gate top-contact organic field effect transistors (OFETs) were fabricated by evaporating a pentacene semiconductor film on top of a new insulating poly(methyl methacrylate) (PMMA) copolymer containing methacrylate units. The PMMA copolymer was synthesized in order to combine the well-known insulating properties of PMMA with the possibility to be efficiently photocured enabling photopatterning-based organic circuitry integration processes. The properties of the pentacene layer deposited on ITO/PMMA copolymer stack were studied through morphological and structural analyses. Device photoresponses and photoexcitated transients were investigated and compared to reference devices based on standard PMMA gate dielectric.
Original language | English (US) |
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Article number | 6928475 |
Pages (from-to) | 533-540 |
Number of pages | 8 |
Journal | IEEE/OSA Journal of Display Technology |
Volume | 11 |
Issue number | 6 |
DOIs | |
State | Published - Jun 1 2015 |
Keywords
- pentacene
- Photocurable gate dielectric
- photoresponse
- phototransistor
- PMMA copolymer
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering