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Comparison of the Mobility–Carrier Density Relation in Polymer and Single‐Crystal Organic Transistors Employing Vacuum and Liquid Gate Dielectrics
Author(s) -
Xia Yu,
Cho Jeong Ho,
Lee Jiyoul,
Ruden P. Paul,
Frisbie C. Daniel
Publication year - 2009
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.200803437
Subject(s) - transistor , materials science , polymer , electron mobility , dielectric , optoelectronics , charge (physics) , thin film transistor , nanotechnology , chemical physics , physics , voltage , quantum mechanics , layer (electronics) , composite material
The mobility of polymer and single‐crystal transistors using a universal test‐bed where the injected carrier density can vary more than four orders of magnitude are investigated and compared. A striking difference in the mobility–carrier density relationship was observed, revealing a fundamentally different charge‐transport mechanism between polymer and single‐crystal transistors.