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A carbon layer has been inserted between ITO and a hole-transport layer in an organic electroluminescent (EL) device with the aim of improving its stability and efficiency. The structure of the proposed device is ITO/carbon/hole-transporting material/Alq3+ dopant/cathode (Al-Li). The carbon layer is quite effective for improving the threshold voltage and the contrast. These advantages are explained...
Polyphenylene films are deposited on platinum by anodic electropolymerization of benzene or biphenyl in different electrolytic media. It is shown that crosslinked polyphenylenes with a low degree of polymerization (DP∼10) are obtained in organic media with fluorinated salts. The growth of the polymer in organic media, shown to be controlled by the progressive nucleation of hemispherical nuclei and...
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