Synthesis and aggregation behavior of zinc phthalocyanines substituted with bulky naphthoxy and phenylazonaphthoxy groups: An experimental and theoretical study

Özçeşmeci İ., TEKIN A., GUL A.

SYNTHETIC METALS, cilt.189, ss.100-110, 2014 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 189
  • Basım Tarihi: 2014
  • Doi Numarası: 10.1016/j.synthmet.2014.01.003
  • Dergi Adı: SYNTHETIC METALS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.100-110
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

Zinc (II) phthalocyanines, bearing peripherally beta-naphthol and ({1-[(Z or E)-phenylazo]-2-naphthyl}oxy) have been synthesized and characterized. Aggregation properties of these compounds were investigated in different concentration ranges. The molecular orbital properties and ultraviolet-visible spectra of these phthalocyanines were studied using density functional and time-dependent density functional theories. The computed electronic spectra are in good agreement with the experimental data. Moreover, dimerization of these phthalocyanine complexes in solvent (tetrahydrofuran) medium was investigated by counterpoise corrected interaction energy calculations employing dispersion corrected Becke's 1997 hybrid functional with valence triple-zeta basis set. These calculations revealed that aggregation in these complexes are prevented due to the strong solvent-phthalocyanine interactions and this finding was supported by our experiments. (C) 2014 Elsevier B.V. All rights reserved.