A study on the charge transfer phenomenon to investigate the inhomogeneous metal island model of the conductive polymer and a study on the secondary doping phenomenon to increase the electrical conductivity. Research on organic semiconductor nanomaterial properties and finding an increase in photoluminescence efficiency due to surface plasmon resonance in hybrid nanostructures with metals. Nanophotonics and biosensing studies using organic semiconductors and quantum dot hybrid nanostructures. A study on the application of two-dimensional semiconductor-based hybrid photo-reactive nanodevices.