Electrical conductivity of organic single-nanofiber devices with different contact materials |
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| Affiliation: | 1. Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland;2. Department of Electrical and Electronic Engineering, Graduate School of Engineering, Kobe University, Rokkodai, Nada, Kobe 657-8501, Japan;3. Charles University in Prague, Faculty of Mathematics and Physics, Ke Karlovu 3, CZ-121 16 Prague, Czech Republic |
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| Abstract: | The electrical characteristics of morphologically completely defined individual para-hexaphenylene (p6P) nanofibers are investigated with different electrode materials Au, Al, and Cr. Simple quadratic fitting of the I–V measurements along the Mott–Gurney law results in a large range of mobility values, suggesting that the tested contact materials lead to injection limited conduction. We find that Au exhibit the best charge injection properties. A method for fabricating single-nanofiber devices with different anode and cathode materials is applied, with the aim of investigating the electroluminescent properties. |
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