Synthesis and photoelectrical properties of zinc phthalocyanine-bisphenol A epoxy derivative

A novel soluble zinc phthalocyanine-bisphenol A epoxy derivative (ZnPc-DGEBPA) was synthesized and characterized by infrared (IR), electronic absorption spectra and fluorescence spectra. Electronic absorption spectrum of ZnPc-DGEBPA exhibited characteristic absorption peaks at 367 nm and 710 nm. Fluorescence emission peak was at 458 nm and quantum yield reached 0.33 in N, N-dimethylformamide (DMF). ZnPc-DGEBPA thin films were prepared by dip-coating technology. Current-voltage characteristics of the films were measured and photoconductivity was increased by an order of magnitude compared with dark conductivity, which indicates the product has excellent film forming ability and good photoelectric response.