Physicochemically Stable Polymer-Coupled Oxide Dielectrics for Multipurpose Organic Electronic Applications
SCIE
SCOPUS
- Title
- Physicochemically Stable Polymer-Coupled Oxide Dielectrics for Multipurpose Organic Electronic Applications
- Authors
- Kim, SH; Jang, M; Yang, H; Anthony, JE; Park, CE
- Date Issued
- 2011-06-21
- Publisher
- WILEY-BLACKWELL
- 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 SiO2 or AlOx dielectrics, various vacuum-and solution-processable organic semiconductors can develop highly ordered crystalline structures that provide higher field-effect mobilities (mu S-FET) than other surface-modified systems, and negligible hysteresis in organic field-effect transistors (OFETs). In particular, the use of PS-coupled AlOx 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 SiO2 dielectric.
- Keywords
- THIN-FILM TRANSISTORS; FIELD-EFFECT TRANSISTORS; SELF-ASSEMBLED MONOLAYERS; CHARGE-CARRIER MOBILITY; GATE-DIELECTRICS; PENTACENE; PERFORMANCE; SEMICONDUCTORS; POLYTHIOPHENE; MORPHOLOGY
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/17255
- DOI
- 10.1002/ADFM.201002054
- ISSN
- 1616-301X
- Article Type
- Article
- Citation
- ADVANCED FUNCTIONAL MATERIALS, vol. 21, no. 12, page. 2198 - 2207, 2011-06-21
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