Complementary photo and temperature cured polymer dielectrics with high-quality dielectric properties for organic semiconductors

Title
Complementary photo and temperature cured polymer dielectrics with high-quality dielectric properties for organic semiconductors
Author(s)
김세현장미[장미]김지예[김지예]최하림[최하림]백경열[백경열]박찬언[박찬언]양회창[양회창]
Keywords
FIELD-EFFECT TRANSISTORS; PENTACENE THIN-FILMS; GATE-DIELECTRICS; SURFACE-ENERGY; PERFORMANCE; NANOSTRUCTURES; MORPHOLOGY; STABILITY; TRANSPORT; ELECTRON
Issue Date
201208
Publisher
ROYAL SOC CHEMISTRY
Citation
JOURNAL OF MATERIALS CHEMISTRY, v.22, no.37, pp.19940 - 19947
Abstract
Photo and temperature cured polymer dielectrics could be fabricated on a gate-patterned glass, with two immiscible polymer precursors, divinyltetramethyldisiloxane-bis(benzocyclobutene) (BCB precursor) and poly(melamine-co-formaldehyde)acrylate (PMFA), which have excellent insulating properties, but show discernible dielectric constants and polarities. On hydrophobic BCB-assisted PMFA blend dielectrics (approximately 400 nm thick), organic field-effect transistors (OFET) and complementary inverters were demonstrated using pentacene and N,N'-ditridecylperylene-3,4,9,10-tetracarboxylic diimide (PTCDI-C13) as semiconducting channels. The values of field-effect mobilities showed up to 0.33 cm(2) V-1 s(-1) (for pentacene) and 0.85 cm(2) V-1 s(-1) (for PTCDI-C13), respectively. In addition, these based complementary inverter was successfully demonstrated with a high voltage gain of ca. 41, specifically, onto the 10 wt% BCB-assisted PMFA dielectric optimized to achieve a hydrophobic and smooth surface by vertically phase-separating the immiscible polymers.
URI
http://hdl.handle.net/YU.REPOSITORY/27569http://dx.doi.org/10.1039/c2jm33203e
ISSN
0959-9428
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공과대학 > 화학공학부 > Articles
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