Achieving saturation in vertical organic transistors for organic light-emitting diode driving by nanorod channel geometric control

Chang Hung Li, Fabrice Stehlin, Kai Ruei Wang, Yu Hsin Lin, Fernand Wieder, Olivier Soppera, Hsiao-Wen Zan, Hsin-Fei Meng

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

When conventional field-effect transistors with short channel length suffer from non-saturated output characteristics, this work proposed a vertical channel transistor to operate like a solid-state vacuum tube and exhibit good saturated curves. We utilized deep ultra-violet interference lithography to produce ordered grid-like metal to control the potential profile in vertical channel. We compared experimental and simulated characteristics to investigate the keys to achieve saturation. Finally, with an optimized design, a vertical organic transistor is used to drive a solution-processed white-light organic light-emitting diode to perform a luminescence control (0-260 cd/m 2 ) with a 3.3-V base potential swing.

Original languageEnglish
Article number163305
JournalApplied Physics Letters
Volume102
Issue number16
DOIs
StatePublished - 22 Apr 2013

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