Selective heavy metal receptor functional phthalocyanines bearing thiophenes: Synthesis, characterization, spectroscopy and electrochemistry

Meryem N. Yarasir, Mehmet Kandaz*, B. Filz Senkal, Atif Koca, Bekir Salih

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

35 Atıf (Scopus)

Özet

Soft metal ion receptor 2,9,16,23-tetrakis-6-(-thiophene-2-carboxylate)-hexylthio-phthlocyaninato zinc(II) and cobalt(II) complexes derived from 6-(3,4-dicyanophenylthio) hexylthiophene-2-carboxylate have been prepared as an isomeric mixture via cyclotetramerization reactions. The complexes have been fully characterized by elemental analysis, FTIR, 1H and 13C NMR, MS (ESI and MALDI-TOF) and by UV-vis spectral data. Soft metal ion binding ability of the complexes with AgI, PdII, HgII and CdII has been evaluated by UV-vis spectroscopic titration technique. Cyclic and differential pulse voltammetries show that while Zn(II)Pc gives up to two ligand-based reduction and one ligand-based oxidation processes having diffusion-controlled reversible electron transfer properties, Co(II)Pc represents one ligand-based and one metal-based oxidation and one metal-based and one ligand-based reduction processes having diffusion-controlled reversible electron transfer characters. Assignments of the redox couples of Co(II)Pc are confirmed by spectroelectrochemical measurements.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)7-15
Sayfa sayısı9
DergiDyes and Pigments
Hacim77
Basın numarası1
DOI'lar
Yayın durumuYayınlandı - 2008

Finansman

We thank the Research Funds of Sakarya University (project no: 2002-45), DPT-2004 (project no: 2003K120970).

FinansörlerFinansör numarası
Sakarya Üniversitesi2002-45, 2003K120970, DPT-2004

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