The polarization ratio , p = 0 . 87 , was obtained in this case . the composite film of zinc oxide and copper phthalocyanine ( cupcrn ) was prepared by modifying the surface of zinc oxide thin films with cupcrn 同时,对氧化锌?酞菁铜复合薄膜的荧光性能研究表明,酞菁铜的存在对氧化锌薄膜426nm的荧光有很好的敏化作用,其偏振比为0 . 89 。