Bilayer organic field-effect transistors (OFETs) with better stability

Double active layer OFETs were fabricated, based on two-step vacuum-deposition process. Pentacene deposited at room temperature acted as the active layer, and subsequently, CuPcs was deposited above the pentacene which acted as a protecting layer for the active layer. Due to the same electrical char...

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Bibliographic Details
Main Authors: Ge Liu, Ming Liu, Liwei Shang, Deyu Tu, Lijuan Zhen, Xinghua Liu
Format: Conference Proceeding
Language:English
Subjects:
Electrodes
Gold
Morphology
OFETs
Organic materials
Pentacene
Protection
Stability
Substrates
Temperature
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Summary:Double active layer OFETs were fabricated, based on two-step vacuum-deposition process. Pentacene deposited at room temperature acted as the active layer, and subsequently, CuPcs was deposited above the pentacene which acted as a protecting layer for the active layer. Due to the same electrical characteristics but different morphology, the bilayer structure was effective to decrease the contamination of impurity and gas, and then improved the devices stability in the air environment.
DOI:10.1109/ICSICT.2008.4734720