Synthesis and Optical Properties of Novel Strontium Tetranitrophthalocyanine

Authors

  • Silviu GROZA Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Corresponding author: adriana.ignat@umfcluj.ro. https://orcid.org/0000-0002-6282-5257
  • Bianca STOEAN Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: bianca.stoean@ubbcluj.ro. https://orcid.org/0000-0001-6313-6018
  • Adriana GROZAV Department of Organic Chemistry, “Iuliu Hatieganu” University of Medicine and Pharmacy, Cluj-Napoca, Romania. Email: adriana.ignat@umfcluj.ro. https://orcid.org/0000-0001-5800-0896
  • Ana-Maria CRĂCIUN Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Cluj-Napoca, Romania. Email: ana.gabudean@ubbcluj.ro. https://orcid.org/0000-0002-6561-0972
  • Castelia CRISTEA Faculty of Chemistry and Chemical Engineering, Babeș-Bolyai University, Cluj-Napoca, Romania. Email: castelia.cristea@ubbcluj.ro. https://orcid.org/0000-0003-1138-2596
  • Luminița SILAGHI-DUMITRESCU Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: lusi@chem.ubbcluj.ro. https://orcid.org/0000-0001-8800-4839
  • Dan Ioan PORUMB Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: ioan.porumb@ubbcluj.ro. https://orcid.org/0000-0001-6388-2686

DOI:

https://doi.org/10.24193/subbchem.2023.4.02

Keywords:

phthalocyanine; strontium-complex; UV-vis spectroscopy; fluorescence emission life time

Abstract

Two convenient alternatives for the synthesis of metal(II) 2,9,16,23-tetranitrophthalocyanines (TNPc) were applied in the synthesis of the novel Strontium(II)TNPc and its Zinc(II)TNPc, Copper(II)TNPc and Cobalt(II)TNPc analogues. The thermal activation required for the tetramerization of the phthalic acid derivatives used as substrates (4-nitro-phthalimide or 4-nitrophthalodinitrile) was provided by convective heating in solution or solvent free conditions. The optical properties of the synthesized metal(II)TNPc were compared by means of UV-vis spectroscopy. In solution, the novel Sr(II)TNPc was characterized by absorption bands with maxima situated around 690 nm (similar to Cu(II)TNPc), while its fluorescence emission maxima lays close to Zn(II)TNPc (710 nm), with a three times longer fluorescence emission life time in solid state (3.04 ns).

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Published

2023-12-20

How to Cite

GROZA, S. ., STOEAN, B. ., GROZAV, A. ., CRĂCIUN, A.-M. ., CRISTEA, C. ., SILAGHI-DUMITRESCU, L., & PORUMB, D. I. . (2023). Synthesis and Optical Properties of Novel Strontium Tetranitrophthalocyanine. Studia Universitatis Babeș-Bolyai Chemia, 68(4), 17–26. https://doi.org/10.24193/subbchem.2023.4.02

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