Near-IR absorbing phthalocyanines

Yasin Arslanoglu, Altug Mert Sevim, Esin Hamuryudan*, Ahmet Gül

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Citations (Scopus)

Abstract

Phthalocyanines with four or eight hexylthio-substituents on the periphery were prepared by cyclotetramerization of 4-hexylthio-1, 2-dicyanobenzene and 4,5-bis(hexylthio)-1,2-dicyanobenzene. The new compounds were characterized by elemental analyses, 1H NMR, IR and UV-VIS spectral data. The electronic spectra exhibit intense Q band near-IR region at 720 nm for the tetrahexylthio-substituted phthalocyanine and at 739 nm for the octa-substituted one together with less intense B band near UV range.

Original languageEnglish
Pages (from-to)129-132
Number of pages4
JournalDyes and Pigments
Volume68
Issue number2-3
DOIs
Publication statusPublished - 2006

Funding

This work was supported by the Research Fund of the Technical University of Istanbul.

FundersFunder number
Technical University of Istanbul

    Keywords

    • Near-IR absorber
    • Phthalocyanine
    • Pyrocatechol
    • Titanyl

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