Suda Çözünür Yeni Ftalosiyaninlerin Sentezi ve Fotofizikokimyasal Özelliklerinin İncelenmesi

Yıl 2017, Cilt: 17 Sayı: 2, 469 - 478, 31.08.2017

Yusuf Yılmaz Anwar Youssef Mehmet Sönmez

Öz

Bu çalışmada periferal olmayan konumlarında tetra sübstitüe karboksilik asit uçları içeren,

suda çözünür, dört yeni ftalosiyanin türevi sentezlenmiştir. Bunun için öncelikle 3-

nitroftalonitril ile 4-merkaptobenzoikasit tepkimeye sokularak yeni bir ftalonitril türevi (1) elde

edilmiştir. Bu yeni ftalonitril türevi FTIR, 1H NMR ve MS gibi spektroskopik teknikler ile

elementel analiz kullanılarak karakterize edilmiştir. 1 bileşiğinden çıkılarak metalsiz (2a), çinko

(2b), kobalt (2c) ve nikel (2d) metalli dört farklı ve suda çözünür ftalosiyanin türevi

sentezlenmiştir. Bu türevler arasındaki metalsiz ve çinko ftalosiyaninlerin fotofiziksel ve

fotokimyasal özellikleri incelenmiştir. Fotofiziksel özellik olarak bileşiklerin (2a ve 2b) floresans

emisyon ve uyarılma spektrumları alınmış, floresans kuantum verimleri ile floresans ömürleri

hesaplanmıştır. Fotokimyasal çalışma olarak ise bileşiklerin (2a ve 2b) singlet oksijen kuantum

verimleri hesaplanmıştır. Elde edilen sonuçlar ışığında özellikle 2b bileşiği, atık sulardaki

organik kirleticilerin foto bozunmasında kullanılmak üzere önerilebilir.

Anahtar Kelimeler

Atık su”, “Organik kirletici”, “Ftalosiyaninler”, “Singlet oksijen”, “Fotobozunma”

Kaynakça

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