Pentacene thin-film transistors have been obtained using polymethyl methacrylate as a gate dielectric. The maximum process temperature was 170degreesC, which corresponds to the baking of the polymeric gate dielectric. These devices presented good electrical performances with field-effect mobilities of 0.01 cm(2) V-1 s(-1) and low threshold voltages (-15 V). Atomic force microscopy studies reveal that the microstructure of pentacene layers is strongly conditioned by the surface morphology of the dielectric. (C) 2003 Elsevier B.V. All rights reserved.
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Korea Res Inst Chem Technol, I&E Polymer Res Ctr, Taejon 305600, South KoreaKorea Res Inst Chem Technol, I&E Polymer Res Ctr, Taejon 305600, South Korea
Kim, So Yeon
Ahn, Taek
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Korea Res Inst Chem Technol, I&E Polymer Res Ctr, Taejon 305600, South KoreaKorea Res Inst Chem Technol, I&E Polymer Res Ctr, Taejon 305600, South Korea
Ahn, Taek
Pyo, Seungmoon
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Konkuk Univ, Dept Chem, Seoul 143701, South KoreaKorea Res Inst Chem Technol, I&E Polymer Res Ctr, Taejon 305600, South Korea
Pyo, Seungmoon
Yi, Mihye
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Korea Res Inst Chem Technol, I&E Polymer Res Ctr, Taejon 305600, South KoreaKorea Res Inst Chem Technol, I&E Polymer Res Ctr, Taejon 305600, South Korea