Lanthanide (III) complexes of 3-(ethylthio)phenyl-substituted phthalocyanines: Synthesis and physicochemical propertiesстатья

Статья опубликована в высокорейтинговом журнале

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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.

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[1] Lanthanide (iii) complexes of 3-(ethylthio)phenyl-substituted phthalocyanines: Synthesis and physicochemical properties / T. V. Dubinina, P. I. Tychinsky, N. E. Borisova et al. // Dyes and Pigments. — 2018. — Vol. 156. — P. 386–394. Novel phthalocyaninates of terbium, erbium and lutetium, bearing 3-(ethylthio)phenyl peripheral groups, were synthesised with high yields. The complexes obtained were characterised by 1H nuclear magnetic resonance spectroscopy, Fourier-transform infrared spectroscopy and high-resolution mass spectrometry. Thermal stability of the lanthanide complexes was examined using thermogravimetric analysis combined with fourier-transform infrared spectroscopy. Strong upfield (up to −59.06) and downfield (up to 22.32) lanthanide-induced shifts of signals of aromatic protons were observed in nuclear magnetic resonance spectra of terbium and erbium complexes respectively. It was shown, that comparing to phenyl-substituted analogues the introduction of ethylthiomoieties in the meta-positions of phenyl substituents does not affect the Q band maxima. Hybrid gold nanoparticles coated with molecules of the lutetium complex were obtained and their optical properties were studied. The formation of phthalocyanine shell and its composition were proven using atomic force and transmission electron microscopy. Absorption cross-sections of ground and the first excited states were calculated using the data of open-aperture z-scan measurements for lutetium complex and hybrid gold nanoparticles on its basis. [ DOI ]

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