From the emission spectra of coumarin 102 ( c102 ) in different conditions , it showed that c102 molecule existed single in both the composite material films . the sample catalyzed by acid had flat surface and dense structure but it had hackly surface and open structure catalyzed by the alkali 香豆素102 （ ci02 ）在不同状1态下的荧光分析表明，无论是碱还是酸催化所得薄膜复合材料， ci02分子在其中基本都以单体的形式存在。
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