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Sensitivity to Molecular Order of the Electrical Conductivity in Oligothiophene Monolayer Films
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DOI：10.1021/la303609g.png)
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Abstract
En 中文
Using conducting probe atomic force microscopy (CAFM), we show that electrical conductivity in oligothiophene molecular films deposited on SiO2/Si wafers is extremely sensitive to degree of crystalline order in the film. By locally distorting the molecular order in the films through the controlled application of pressure with the AFM tip, the lateral charge transport was reduced by factors varying from 2 to 10, even when no changes in the height of the film could be observed.
Keywords:
SELF-ASSEMBLED MONOLAYERS
TRANSPORT PROPERTIES
THIN
MICROSCOPY
MORPHOLOGY
EVOLUTION
FRICTION
AU(111)
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