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KMID : 1059519990430010058
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Journal of the Korean Chemical Society
1999 Volume.43 No. 1 p.58 ~ p.68
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A Study on Photosensitization Mechanism of Phthalocyanines with LB Films
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Kim Bum-Goo
Kim Young-Soon
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Abstract
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The phthalocyanine(Pc) film can not be prepared by LB method because it is insoluble in organic solvents. In order to increase its solubility, two kinds of copper phthalocyanine derivatives (CuPc(COOH)2 and CuPc(COOH)4) were synthesized and their monolayers were prepared by LB method. It is found from the surface pressure-area curves that the LB monolayer film of CuPc(COOH)2 have more ordered structure than that of CuPc(COOH)4. In the photocurrent characteristic the value Of CuPc(COOH)2 was superior to that of CuPc (COOH)4. Therefore, it is found that the charge generation efficiency for phthalocyanines have influenced on its ordered structure as the functional groups.
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