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Optics and Spectroscopy, 2020, Volume 128, Issue 11, Pages 1657–1667
DOI: https://doi.org/10.21883/OS.2020.11.50169.119-20
(Mi os252)
 

This article is cited in 3 scientific papers (total in 3 papers)

Spectroscopy of condensed matter

The luminescense of Pd and Pt benzohydroporphyrazines in the near-IR region

P. P. Pershukevicha, D. I. Volkovicha, E. A. Makarovab, E. A. Luk'yanetsb, K. N. Solov'eva

a B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk
b Organic Intermediates and Dyes Institute (NIOPIK), Moscow, Russia
Full-text PDF (280 kB) Citations (3)
Abstract: Phosphorescence in the near-IR range under stationary lamp excitation was studied of three palladium and three platinum complexes of benzocondensed hydroporphyrazine phthalocyanine analogues in which molecule one or two isoindole fragments are replaced by a hydrogenated pyrrole ring, giving macrocycles of photosynthetic pigments analogues of chlorin, bacteriochlorin and isobacteriochlorin types. For the first time, the phosphorescence spectra of trans-dibenzotetrahydroporphyrazines (for both platinum and palladium) have been registered, which detection failed during long time due to the record removal of 0–0 bands from the visible area (1.67 and 1.52 $\mu$m for Pd and Pt), and also because of the small quantum yield of phosphorescence. The fluorescence of these complexes was also detected.in the near-IR range. On the basis of comparison of experimental results with own and literature data for palladium complexes of a number of tetrapyrroles is shown the approximate additivity of the influence of structural factors – hydrogenation of pyrrole rings, aza- and benzo substitution – on the energy of the lower triplet state $T_1$. The information obtained is essential for targeted creation of emitters in the near-IR range (1.0–1.7 $\mu$m).
Keywords: palladium and platinum complexes of benzohydroporphyrazines, trans- dibenzotetrahydroporphyrazine, phthalocyanine analogs, near-IR range, absorption spectrum, phosphorescence spectrum, quantum yield of phosphorescence, lower triplet state, luminescence of singlet oxygen.
Funding agency Grant number
State Research programs Photonics and Opto- and Microelectronics 1.4.02
The results were obtained within the framework of execution of task 1.4.02 of the State Program of Scientific Research of the Republic of Belarus “Photonics and Opto- and Microelectronics”.
Received: 25.03.2020
Revised: 25.03.2020
Accepted: 07.07.2020
English version:
Optics and Spectroscopy, 2020, Volume 128, Issue 11, Pages 1789–1799
DOI: https://doi.org/10.1134/S0030400X20110181
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: P. P. Pershukevich, D. I. Volkovich, E. A. Makarova, E. A. Luk'yanets, K. N. Solov'ev, “The luminescense of Pd and Pt benzohydroporphyrazines in the near-IR region”, Optics and Spectroscopy, 128:11 (2020), 1657–1667; Optics and Spectroscopy, 128:11 (2020), 1789–1799
Citation in format AMSBIB
\Bibitem{PerVolMak20}
\by P.~P.~Pershukevich, D.~I.~Volkovich, E.~A.~Makarova, E.~A.~Luk'yanets, K.~N.~Solov'ev
\paper The luminescense of Pd and Pt benzohydroporphyrazines in the near-IR region
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 11
\pages 1657--1667
\mathnet{http://mi.mathnet.ru/os252}
\crossref{https://doi.org/10.21883/OS.2020.11.50169.119-20}
\elib{https://elibrary.ru/item.asp?id=44367714}
\transl
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 11
\pages 1789--1799
\crossref{https://doi.org/10.1134/S0030400X20110181}
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  • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Optics and Spectroscopy Optics and Spectroscopy
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