The Synthesis And Characteraction Of A Symmetrical Copper Phthalocyanine And The Study Of The Photoconductive Properties

Phthalocyanines compounds had very excellent optical, optical electricity,semiconductor catalytic properties, the specific maximum absorption wavelength and itbecome the focus of the research. The applicability of the Phthalocyanines is limited becauseof the existence of π-π interactions between the phthalocyanine molecules reduces thesolubility in the water and organic solvents.. Through the introduction of central metal andthe greater steric substituents in the phthalocyanine skeleton weaked phthalocyanineintermolecular π-π interactions, hinder the aggregation of molecules, the solubility would beimproved effectively.Phthalocyanine compounds, is a kind of important organic optoelectronic materials, has theremarkable semiconductor features and the big Conjugacy, Play an important role in thepreparation of organic solar cells and organic near infrared electroluminescence devices. Theconductivity of the essential characteristics of the photoconductive material is charge transferbetween the intramolecular and intermolecular, Phthalocyanine large ring system compoundswith Q band and B band provide π-π*charge transfer, and metal d orbit interaction πorbital, These features provide a basis for the photosensitivity of phthalocyanine compounds.The main research contents of the paper:(1) Use of solvents synthesized (2-(2-Isopropyl phenoxy)-2,9,16,23-tris (5-methyl-2-isopropyl phenyl-oxy) copper symmetryphthalocyanine that Copper as the central metal, periphery replace thymol alkoxy group,andwere fully characterized by MS, FT-IR,1H NMR, UV-Vis spectra. symmetrical copperphthalocyanine characteristic absorption peak of Q band684nm and B band340nm, Solid UVspectra seen in a broader peak (1102nm), it is attributed to the phthalocyanine dimerabsorption.(2) flexible to use, technically fast and simple Flatness better Spin-coating method tostudy photoconductive properties of symmetric copper phthalocyanine. In the dark theaverage impedance of the symmetrical copper phthalocyanine photoconductor is1.91E+04,under illumination the average impedance is1.46E+03, and the ratio r=13.08, Explains thesymmetrical copper phthalocyanine has Photoconductivity.