Two causes of source/drain series resistance in bottom-contact pentacene thin-film transistors
Autor: | Makoto Noda, Nobuhide Yoneya, Noriyuki Kawashima, Kazumasa Nomoto, Masaru Wada, Nobukazu Hirai, Jiro Kasahara |
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Rok vydání: | 2004 |
Předmět: | |
Zdroj: | MRS Proceedings. 814 |
ISSN: | 1946-4274 0272-9172 |
DOI: | 10.1557/proc-814-i4.4 |
Popis: | We identified two causes of source/drain (S/D) series resistance (Rs) in bottom-contact (BC) pentancene thin-film transistors (TFTs). One is mixed-phase pentacene grown in the blurred- edge region of Au electrodes and the other is the semi-insulating pentacene region between the Au electrode and the carrier-accumulating layer. A novel Au S/D electrode structure with a self-assembled monolayer (SAM) adhesion layer enables direct injection of carriers into the accumulating layer and markedly reduces Rs for unit gate width (RsW) to 6 Mωμ[.proportional]m. BC TFTs with this electrode structure showed extrinsic field-effect mobility as high as 1.1 cm2/Vs. |
Databáze: | OpenAIRE |
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