Abstract
New conducting bilayer films (BL-film) containing (BEDT-TTF)2(IxBr1-x)3 molecular metals as active components have been prepared. The effect of various parameters of the BL-film preparation on the conducting layer composition was systematically studied by X-ray, Raman, EPR, and SEM. It was shown that the conducting layer of new BL-films is formed by “c” oriented (BEDT-TTF)2(IxBr1-x)3 nanocrystals which contain a set of the IBr2-, I2Br-, and/or I3- anions. It was found that the α‘ → β phase transition takes place in the (BEDT-TTF)2(IxBr1-x)3 nanocrystals under film annealing. Some of the new composite BL-films, being flexible and transparent, reveal a metal-like temperature dependence of resistance down to nitrogen temperature.
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