We present here the study of a symmetrically substituted viologen derivative, 1,1'-dioctadecyl 4,4'-bipyridinium salt, at the air-water interface and arranged in Langmuir-Blodgett (LB) films which were characterized using W-vis spectroscopy. Detailed research of the electrochemical behavior of this molecule in LB films has been performed in terms of the nature of the counterion present in the water subphase, the number of layers, the transference pressure, and the nature of the electrolyte.
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Univ Sao Paulo, Sao Carlos Inst Phys, BR-13560970 Sao Carlos, SP, BrazilUniv Fed Sao Paulo, Dept Chem, BR-09913030 Diadema, SP, Brazil
Oliveira, Osvaldo N., Jr.
Caseli, Luciano
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Univ Fed Sao Paulo, Dept Chem, BR-09913030 Diadema, SP, BrazilUniv Fed Sao Paulo, Dept Chem, BR-09913030 Diadema, SP, Brazil
Caseli, Luciano
Ariga, Katsuhiko
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Natl Inst Mat Sci NIMS, World Premier Int WPI Res Ctr Mat Nanoarchitecton, Tsukuba, Ibaraki 3050044, Japan
Univ Tokyo, Grad Sch Frontier Sci, Kashiwa, Chiba 2770827, JapanUniv Fed Sao Paulo, Dept Chem, BR-09913030 Diadema, SP, Brazil