Photoconductive and electro-optic responses in multifunctional carbazole polymers

Photocarrier generation properties and an electro-optic response were studied in acceptor-substituted carbazole materials. Two kinds of carbazole systems were investigated: molecularly doped polymer and main-chain polymer. The photoconductive sensitivity of 1.2x10(-12)(S cm(-1))/(W cm(-2)) was obtained with a field strength of 5x10(5)V/cm at a wavelength of 534nm. The electro-optic coefficient r(33) of 1.1pm/V was obtained with a field strength of 5x10(5)V/cm at a wavelength of 532nm. These results show the monolithic photorefractive polymer could be developed by using acceptor-substituted carbazoles.