Photostability and emission characteristics of In(III)octaethylporphyrin - and in(III)tetraphenylporphyrin-chloride |
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| Authors: | El-Zeiny M Ebeid Mohamad A El-Borai Salah E Morsi Roger Guilard |
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| Institution: | University of Alexandria Research Centre, Alexandria and Chem. Dept., Faculty of Science Tanta, Egypt;Laboratoire de Synthèse et d''Electrosynthèse Organométallique, Université de Dijon, 6 Boulevard Gabriel, 21000 Dijon, France |
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| Abstract: | The absorption, emission and excitation spectra of indium(III) tetraphenylporphyrinchloride (In(III)TPPCl) and indium(III)octaethylporphyrinchloride (In(III)OEPCl) methanolic solutions have been studied and compared with their metal-free bases. The study reveals a strong interaction between indium ion and the porphyrin π-systems.The photolability of the above-mentioned compounds has been studied in deoxygenated methalonic solutions using sunlight and/or UV-light in excitation. A fragmentation mechanism is proposed to account for the consumption of the porphyrin systems. |
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| Keywords: | Author to whom correspondence should be addressed |
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