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Volume 2, Issue 8, August 2013 Page 179

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Figure

Figure (1)  The chemical structure and numbering scheme of Coumarin[4].
Figure (2) Absorption spectrum of Coumarin in chloroform Solution
Figure (5)  Transmission spectrum of C-PS  films in different doping ratio.
Table (1) Energy gap of Coumarin doped polymer PS films for different doping ratio. Doping ratio 0f  C
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