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用旋转涂布法制得了PVA -H3PW1 2 O40 复合体系的光敏膜。研究了膜对光的响应情况 ,发现复合体系对光的响应情况与体系内各成份的浓度无关。光敏性的产生源于体系内PVA的 OH与钨磷酸阴离子中Oc的相互作用。
The photosensitive film of PVA-H3PW1 2 O40 composite system was prepared by spin coating. The response of the film to light was studied and the response of the composite system to light was found to be independent of the concentration of the individual components in the system. The photosensitivity is derived from the interaction of OH in the system PVA with Oc in tungstophosphoric anions.