Statistical Analysis of Electrical Properties of Octanemonothiol versus Octanedithol in PEDOT:PSS-Electrode Molecular Junctions
We fabricated a large number of octanemonothiol (C8) and octanedithol (DC8) molecular electronic devices with PEDOT:PSS (3,4-ethylenedioxythiophene) interlayer and performed a statistical analysis on the electronic properties of these devices. From the analysis, we obtained the Gaussian plot of histograms of Log10 (current density (J)) and several statistical estimates such as arithmetic mean, median, Gaussian mean, arithmetic standard deviation, adjusted absolute median deviation, and Gaussian standard deviation. We determined the current density–voltage (J–V) characteristics from the statistically representative data for C8 and DC8 devices and found that the conductivity of C8 is higher than that of DC8 by a factor of ∼10. The difference of the conductivity of C8 and DC8 devices is attributed to the difference of the contact properties between the C8 and DC8 PEDOT:PSS-interlayer molecular junctions.
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Document Type: Research Article
Publication date: August 1, 2015
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