Spectral manifestation of substitution of out-of-plane ligands in metallophtalocyanines

In our study, we demonstrate the splitting effect of long-wavelength bands in absorption spectra (excitation of fluorescence) of the series of Zn(II), Ti(IV), Zr(IV) and Hf(IV) phthalocyanines at low temperatures. The effect has been explained by the shift of metal ion out of the plane of phthalocya...

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Bibliographic Details
Published in:EPJ Web of Conferences 2017, Vol.132, p.3044
Main Authors: Starukhin, A., Knyukshto, V., Gorski, A., Chernii, V., Tretyakova, I., Kijak, M., Kowalska, P.
Format: Article
Language:English
Subjects:
Absorption spectra
Excitation spectra
Fluorescence
Hafnium
Titanium
Zirconium
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Summary:In our study, we demonstrate the splitting effect of long-wavelength bands in absorption spectra (excitation of fluorescence) of the series of Zn(II), Ti(IV), Zr(IV) and Hf(IV) phthalocyanines at low temperatures. The effect has been explained by the shift of metal ion out of the plane of phthalocyanine macrocycle, the transformation of macrocycle to nonplanar “dome” conformation and additional loss the high symmetry of macrocycle.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201713203044