The Approach for the Trade-off Study Between Field-effect Mobility and Current on/off Ratio in P3HT Field-effect Transistors
Journal of The Korean Institute of Electrical and Electronic Material Engineers(2012)
摘要
Presented herein are the results of the study that was conducted on the electrical characteristics of organic field-effect transistors based on poly(3-hexylthiophene), particularly the thickness and annealing temperature of their active layer is varied. The changes in field-effect mobility and current on/off ratio were explored. It was observed that both increasing annealing temperature from $60^{\circ}C$ to $100^{\circ}C$ and various concentrations influence the trade-off relations between the mobility and current on/off ratio. The surface morphology of the 2-${\mu}m^2$ area with various thicknesses was scanned via atomic-forcemicroscopy(AFM) to verify the relationship between surface morphology, which is related to the thickness of the film, and device performance.
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关键词
trade-off,field-effect,field-effect
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