Poly(9-vinylcarbazole) is widely used in the electronics industry, particularly in the development of organic light-emitting diodes (OLEDs) and photovoltaic devices. Its excellent photoconductive properties make it a key material in the production of photoreceptors for photocopiers and laser printers. Additionally, it serves as a hole-transport layer in various organic electronic applications due to its ability to facilitate efficient charge transport. In the field of optoelectronics, it is utilized in the fabrication of light-sensitive sensors and imaging devices. Its stability and processability also make it a preferred choice for research and development in advanced materials for energy storage and conversion systems.