Abstract
Polyaniline (PANI) is one of the widely used conducting polymers owing to its high electrical conductivity, interesting optical properties and excellent environmental stability. Recently, it has also been used extensively as hole-injecting electrodes in polymer LEDs. The binary mixture (ZrO2/PbI2) dopant increases the dc conductivity of PANI up to nine orders of magnitude. It is observed that the photoluminescence intensity increases with increase in the ZrO2 content in the dopant mixture composition. The optical band gap decreases with increase in the concentration of ZrO2.
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