Using Cu-phthalocyanine（CuPc）,4,4’-diaminodiphenyl ether and pyromellitic dianhydride as monomer materials, polyimide（PI） thin films doped-CuPc have been prepared onto glass substrate by vapor phase co-deposition...Using Cu-phthalocyanine（CuPc）,4,4’-diaminodiphenyl ether and pyromellitic dianhydride as monomer materials, polyimide（PI） thin films doped-CuPc have been prepared onto glass substrate by vapor phase co-deposition polymerization under a vacuum of 2×10-3Pa and thermal curing of polyamic acid film in at temperature of 150-200℃ for 60min. In this process, the polymerization can be carried out through controlling the stoichiometric ratio, heating time and deposition rates of the three monomers. IR spectrum identifies the designed chemical structure of the polymer. The absorption of polyimide doped-CuPc is very intense in vis-range and near-infrared by UV-Vis spectrum. And, the PI films doped-CuPc polymerized by vapor phase deposition have uniformity, fine thermal stability and good nonlinear optical properties, and the third-order optical nonlinear susceptibility χ（3） with degenerate four-wave mixing can be 1.984×10-9ESU.展开更多
基金Natural Science Foundation of Shaanxi Province ( 2004CS110005 ) Research Foundation of Northwestern Polytechnical University
文摘Using Cu-phthalocyanine（CuPc）,4,4’-diaminodiphenyl ether and pyromellitic dianhydride as monomer materials, polyimide（PI） thin films doped-CuPc have been prepared onto glass substrate by vapor phase co-deposition polymerization under a vacuum of 2×10-3Pa and thermal curing of polyamic acid film in at temperature of 150-200℃ for 60min. In this process, the polymerization can be carried out through controlling the stoichiometric ratio, heating time and deposition rates of the three monomers. IR spectrum identifies the designed chemical structure of the polymer. The absorption of polyimide doped-CuPc is very intense in vis-range and near-infrared by UV-Vis spectrum. And, the PI films doped-CuPc polymerized by vapor phase deposition have uniformity, fine thermal stability and good nonlinear optical properties, and the third-order optical nonlinear susceptibility χ（3） with degenerate four-wave mixing can be 1.984×10-9ESU.
