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Enhanced Charge Injection in Pentacene Field‐Effect Transistors with Graphene Electrodes
Author(s) -
Lee Sangchul,
Jo Gunho,
Kang SeokJu,
Wang Gunuk,
Choe Minhyeok,
Park Woojin,
Kim DongYu,
Kahng Yung Ho,
Lee Takhee
Publication year - 2011
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201003165
Subject(s) - pentacene , graphene , materials science , electrode , dipole , transistor , field effect transistor , optoelectronics , contact resistance , charge (physics) , nanotechnology , layer (electronics) , thin film transistor , voltage , electrical engineering , physics , chemistry , organic chemistry , particle physics , engineering , quantum mechanics
Pentacene organic field‐effect transistors with multilayer graphene electrodes exhibit a lower contact resistance and lower charge‐injection barrier height than those with conventional Au electrodes. This enhancement in performance is related to the favorable dipole layer formation at the graphene/pentacene interface.