Synthesis and fluorescence properties of hexameric and octameric subphthalocyanines based cyclic phosphazenes

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• 作者：Bü ; nyemin Ç ; o?ut ; ^{bcosut@gyte.edu.tr} ; Serkan Ye?ilot ; Mahmut Durmu? ; Adem K?l?ç
• 关键词：Cyclophosphazene ; Subphthalocyanines ; NMR ; Photophysical ; Fluorescence quantum yield ; Quenching
• 刊名：Dyes and Pigments
• 出版年：2013
• 出版时间：September, 2013
• 年：2013
• 卷：98
• 期：3
• 页码：442-449
• 全文大小：969 K

文摘

Hexameric and octameric subphthalocyanines bearing cyclophosphazene derivatives were synthesized by threating hexa(p-hydroxyphenoxy)cyclotriphosphazene and octa(p-hydroxyphenoxy)cyclotetraphosphazene with excess of boron subphthalocyanine chloride in toluene. The hexameric and octameric subphthalocyanines bearing cyclophosphazene derivatives were fully characterized by elemental analysis, ESI and MALDI mass spectrometry, FT-IR, ¹H, ¹³C and ³¹P NMR spectroscopy. The photophysical properties of title compounds were investigated by means of UV/Vis absorption and fluorescence spectroscopies in dilute 1,4-dioxane solutions. The fluorescence quenching behavior of these complexes by 1,4-benzoquinone were also reported.