Redoks Aktif Gruplar İçeren Ftalosiyaninler

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Thesis Type: Postgraduate

Institution Of The Thesis: Yildiz Technical University, Faculty of Arts & Science, Department of Chemistry, Turkey

Approval Date: 2011

Thesis Language: Turkish

Student: Burcu Sezer

Supervisor: Muhammet Kasım Şener

Open Archive Collection: AVESIS Open Access Collection

Abstract:

Recently, porphyrins, porphyrazines, phthalocyanines and tetrabenzoporphyrins which are included as tetrapyrrol derivatives, take attention on themselves since they are used in both theoretical and practical sciences. Phthalocyanines that are completely synthetic materials are used as dye-sensitized solar cell, photosensitizer, gas sensor, liquid crystal, catalyst as well as dye and pigment.It is necessary to examine the electron transfer behaviour of newly synthesized phthalocyanine complexes in order to study further applications. Electron transfer behaviour of phthalocyanines change according to interaction of conjugated ? electron system with central metal atom and kind and number of substituent of phthalocyanine. In this study, firstly, a novel phthalonitrile derivative carrying redox active anthraquinone group was synthesized from diethylmalonate and 4-nitrophthalonitrile. Metallophthalocyanines were obtained its cyclotetramerization in the presence of metal salts. In addition, asymmetric metallophthalocyanine was synthesized from phthalonitrile derivative containing redox active group and 1,2-dicyanobenzene. At last, electrochemical and spectroelectrochemical properties of these compounds were investigated, comparatively.Keywords: Phthalocyanine, Anthraquinone, Electrochemstry, Spectroelectrochemistry, Unsymetric Phthalocyanine.