1 Ocak 2019 Dergi makalesi Açık Erişim

Okutan, Elif; Eserci, Hande; Senkuytu, Elif

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    <subfield code="a">Perylenebisimide-cyclotriphosphazene based inorganic-organic system was synthesized by a multistep procedure. The substitution reaction of asymmetric perylenebisimide (PBI) derivative with the hexachloroyclotriphosphazene (trimer) resulted in the formation of fully PBI decorated cyclotriphosphazene (5). The identity of newly synthesized compound (5) was confirmed by using P-31, H-1 and C-13 NMR spectroscopies and mass spectrometry. The photophysical (UV-Vis absorption, fluorescence emission, fluorescence lifetime and fluorescence quantum yield) and photochemical (the singlet oxygen generation, and photostability) properties of this conjugate were investigated as novel heavy atom free triplet photosensitizer. The singlet oxygen quantum yield of the PBI-cyclotriphosphazene (5) was calculated to be 0.86 which is good for a heavy atom free triplet photosensitizer. These results will add to the development of cyclotriphosphazene based heavy atom free singlet oxygen triplet photosensitizer systems for applications in organic oxygenation reactions. (C) 2019 Elsevier B.V. All rights reserved.</subfield>
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    <subfield code="u">Gebze Tech Univ, Fac Sci, Dept Chem, Gebze, Kocaeli, Turkey</subfield>
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