Physicochemically Stable Polymer-Coupled Oxide Dielectrics for Multipurpose Organic Electronic Applications

Title
Physicochemically Stable Polymer-Coupled Oxide Dielectrics for Multipurpose Organic Electronic Applications
Author(s)
김세현장미[장미]양회창[양회창]John .E. Anthony[John .E. Anthony]박찬언[박찬언]
Keywords
THIN-FILM TRANSISTORS; FIELD-EFFECT TRANSISTORS; SELF-ASSEMBLED MONOLAYERS; CHARGE-CARRIER MOBILITY; GATE-DIELECTRICS; PENTACENE; PERFORMANCE; SEMICONDUCTORS; POLYTHIOPHENE; MORPHOLOGY
Issue Date
201106
Publisher
WILEY-BLACKWELL
Citation
ADVANCED FUNCTIONAL MATERIALS, v.21, no.12, pp.2198 - 2207
Abstract
A chemically coupled polymer layer is introduced onto inorganic oxide dielectrics from a dilute chlorosilane-terminated polystyrene (PS) solution. As a result of this surface modification, hydrophilic-oxide dielectrics gain hydrophobic, physicochemically stable properties. On such PS-coupled SiO(2) or AlO(x) dielectrics, various vacuum-and solution-processable organic semiconductors can develop highly ordered crystalline structures that provide higher field-effect mobilities (mu(FET)S) than other surface-modified systems, and negligible hysteresis in organic field-effect transistors (OFETs). In particular, the use of PS-coupled AlO(x) nanodielectrics enables a solution-processable triethylsilylethynyl anthradithiophene OFET to operate with mu(FET) similar to 1.26 cm(2) V(-1) s(-1) at a gate voltage below - 1 V. In addition, a complementary metal-oxide semiconductor-like organic inverter with a high voltage gain of approximately 32 was successfully fabricated on a PS-coupled SiO(2) dielectric.
URI
http://hdl.handle.net/YU.REPOSITORY/25101http://dx.doi.org/10.1002/adfm.201002054
ISSN
1616-301X
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공과대학 > 화학공학부 > Articles
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