Chemical Safety Science, 2017, Volume 1, No 1, p. 54 — 61

 

 

UDC 543.48 + 577.1                                                                                      Download PDF (RUS)

 

LANTHANIDE COMPLEXES OF PHTHALOCYANINES FOR IDENTIFICATION OF NANOSIZED SILICA IN WATER

A. V. Lobanov¹*, G. A. Gromova², Yu. G. Gorbunova^3,4, and A. Yu. Tsivadze^3,4

¹Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, Russia,
*e-mail: avlobanov@mail.ru
²Moscow Technological University, Institute of Fine Chemical Technologies, Moscow, Russia
³Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
⁴Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russia

Received April 20, 2017

Published June 26, 2017

Abstract – The properties of lanthanide complexes of phthalocyanine LnPc2 (Ln = Ho, Er, Yb, Lu) in chloroform, dimethylformamide, polymers matrices, and aqueous solutions of nanoscale silica particles have been determined by electron spectroscopy. Oxidation-reduction processes were detected which are determined by the concentration of nanoparticles. As a result, prototypes of sensory systems for the determination of nano-sized silica in solutions have been proposed. Films of polyvinylpyrrolidone and polyvinyl alcohol containing LuPc2 and YbPc2 were obtained, and a sensory response to nano-sized silica was also established. In general, the results show the promise of developing sensor devices based on the systems studied.

Keywords: phthalocyanines, lanthanides, sensors, nanoscale silica.