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    Langmuir-Blodgett assemblies with patterned conductive polyaniline layers

    Year: 2002

    Journal: Materials Science and Engineering C 22 (2002) 239-244, 20111221

    Authors: V.I. Troitsky, T.S. Berzina, M.P. Fontana

    Organizations: Department of Physics and INFM, University of Parma, Viale delle Scienze, 43100 Parma, Italy

    Polyaniline (PANI) is used for the preparation of molecular electrodes in heterojunctions, which include either Langmuir-Blodgett (LB) films or LB assemblies composed of thin layers of different compounds. Langmuir-Schaefer (LS) technique is applied to provide high speed of film deposition. The uniformity of polyaniline films is achieved due to the deposition of mixed polyaniline/polycyanoacrylate films with further dissolution of polycyanoacrylate fraction. The required configuration of the heterojunction is produced by irradiating polyaniline films with an electron beam through the masks and pattern development in 1-methyl-2-pyrrolidone (NMP). Current-voltage characteristics of heterojunctions are measured to demonstrate the applicability of developed approach.