The First Example of Electron Phototransfer with the Participation of Two-Decker Lanthanide Phthalocyaninate


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Abstract

The photochemical activity of the anionic form of two-decker ytterbium and lutetium pthalocyaninates (LnPc2, Ln = Yb, Lu) is observed in the process of electron transfer to 2-methyl-1,4-naphthoquinone (MNQ). Under illumination of solutions of LnPc2 (1 × 10–5 mol/L) and MNQ (5 × 10–5 mol/L) in dimethyl formamide by light with wavelength λph > 630 nm, the anionic form of the two-decker phthalocyaninate [(Pc2–)Ln3+(Pc2–)] passes into the neutral monoradical form [(Pc2–)Ln3+(Pc)]0•. The photochemical redox process is accompanied by accumulation of the reduced form of MNQ. The observed effect is the first example of electron phototransfer with the participation of two-decker lanthanide phthalocyaninates.

About the authors

G. A. Gromova

Moscow Technological University

Email: avlobanov@mail.ru
Russian Federation, Moscow, 119571

A. V. Lobanov

Semenov Institute of Chemical Physics; Plekhanov Russian University of Economics

Author for correspondence.
Email: avlobanov@mail.ru
Russian Federation, Moscow, 119991; Moscow, 117997

Yu. G. Gorbunova

Frumkin Institute of Physical Chemistry and Electrochemistry; Kurnakov Institute of General and Inorganic Chemistry

Email: avlobanov@mail.ru
Russian Federation, Moscow, 119071; Moscow, 119991

A. Yu. Tsivadze

Frumkin Institute of Physical Chemistry and Electrochemistry; Kurnakov Institute of General and Inorganic Chemistry

Email: avlobanov@mail.ru
Russian Federation, Moscow, 119071; Moscow, 119991

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