Comparison of the Mobility-Carrier Density Relation in Polymer and Single-Crystal Organic Transistors Employing Vacuum and Liquid Gate Dielectrics

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 d...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2009-06, Vol.21 (21), p.2174-2179
Main Authors: Xia, Yu, Cho, Jeong Ho, Lee, Jiyoul, Ruden, P. Paul, Frisbie, C. Daniel
Format: Article
Language:English
Subjects:
Carrier density
Liquid dielectric
Mobility
Transistors
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Summary: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200803437