Ohmic contacts between sulfonated polyaniline and metals |
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Authors: | R Mello I Hümmelgen |
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Institution: | (1) Departamento de Física, Universidade Federal do Paraná, Caixa Postal 19044, 81531-990 Curitiba PR, Brazil, |
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Abstract: | We have compared the resistivity, ρ, of sulfonated polyaniline (SPAN) prepared via three different synthetic routes: electrochemical synthesis with a supporting
electrolyte (camphorsulfonic acid), ρ
=340 Ω·m; electrochemical synthesis without a supporting electrolyte, ρ
=530 Ω·m, and; chemical synthesis, ρ
=166 Ω·m. Independent of the metal contact (Al, Au, Cu), SPAN forms ohmic contacts with the metal and the contact resistance r
c
~5 Ω does not correlate with the metal's work function.
Electronic Publication |
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Keywords: | Sulfonated polyaniline Ohmic contacts Organic electronics |
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