Biomedical Chemistry: Research and Methods, 2018, 1(3), e00029
The 40th Anniversary of the Institute of Physiologically Active Compounds of the Russian Academy of Sciences

Luminescent Properties of Composite Systems Based on Polystyrene and Erbium(III) Phthalocyaninates in Near IR Spectral Region

I.A. Belogorokhov1, L.I. Belogorokhova2, Yu.V. Ryabchikov3, V.E. Pushkarev1*

1Institute of Physiologically Active Compounds of the Russian Academy of Sciences, 1 Severny proezd, Moscow region, Chernogolovka, 142432 Russia;*e-mail:
2Department of Physics, M.V. Lomonosov Moscow State University, 1 Leninskie Gory, Moscow, 119991 Russia
3P.N. Lebedev Physical Institute, Russian Academy of Sciences, 53 Leninsky prosp., Moscow, 119333 Russia

Key words: phthalocyanines; rare earth elements; erbium; sandwich complexes; luminescence; near IR region/p>

DOI: 10.18097/BMCRM00029

The whole version of this paper is available in Russian.

Composite materials based on polystyrene and ErIII phthalocyaninates of single-, double- and triple-decker structure were obtained, and their spectral luminescent characteristics in the near-IR (NIR) range were studied. All the ErIII complexes in these composites reveal 4f photoluminescence (PL), which is observed at 1550 nm for mono- and tris(phthalocyaninate), whereas in the case of bis(phthalocyaninate), the PL maximum is shifted to the short-wavelength region and appears at 1440 nm. A comparative analysis of the properties of composites and individual phthalocyanine compounds in films and solutions was carried out. In the case of a single-decker complex, this emission was detected for the first time in the polystyrene matrix, while for individual ErIII mono(phthalocyaninates), this process was not observed earlier.

Figure 1. Investigated compounds.

Figure 2. NIR-PL spectra of ErIII phthalocyanines 1, 2 and 3а in thin films.

Figure 3. NIR-PL spectrum of composite polystyrene/NPOE/3а.

Figure 4. NIR-PL spectrum of composite polystyrene/NPOE/3b.

Figure 5. NIR-PL spectrum of composite polystyrene/NPOE/1.

Figure 5. NIR-PL spectrum of composite polystyrene/NPOE/2.


This work was supported by RFBR and the Government of Moscow (Grant No. 15-32-70017) and the Council under the President of the Russian Federation for State Support of Young Scientists and Leading Scientific Schools (Grant MD-2991.2017.3) and performed within the framework of the State Assignment of 2018 (Theme 45.5 Creation of compounds with given physicochemical properties).


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