Scaling behavior and parasitic series resistance in disordered organic field-effect transistors
Author(s) -
E. J. Meijer,
Gerwin H. Gelinck,
E. van Veenendaal,
B.H. Huisman,
Dago M. de Leeuw,
T. M. Klapwijk
Publication year - 2003
Publication title -
applied physics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 442
eISSN - 1077-3118
pISSN - 0003-6951
DOI - 10.1063/1.1581389
Subject(s) - scaling , organic semiconductor , parasitic element , transistor , materials science , field effect transistor , equivalent series resistance , semiconductor , threshold voltage , optoelectronics , condensed matter physics , voltage , electrical engineering , physics , mathematics , engineering , geometry
The scaling behavior of the transfer characteristics of solution-processed disordered organic thin-film transistors with channel length is investigated. This is done for a variety of organic semiconductors in combination with gold injecting electrodes. From the channel-length dependence of the transistor resistance in the conducting ON-state, we determine the field-effect mobility and the parasitic series resistance. The extracted parasitic resistance, typically in the M? range, depends on the applied gate voltage, and we find experimentally that the parasitic resistance decreases with increasing field-effect mobility
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