ITM Web Conf.
Volume 30, 201929th International Crimean Conference “Microwave & Telecommunication Technology” (CriMiCo’2019)
|Number of page(s)||9|
|Section||Nanoelectronics and Nanotechnology (5b)|
|Published online||27 November 2019|
Thin-film materials based on phthalocyanine derivatives: structure and physico-chemical properties
1 Nanomaterials Research Institute, Ivanovo State University, 153025 Ivanovo, Russia
2 Shubnikov Institute of Crystallography of Federal Scientific Research Center “Crystallography and Photonics” of Russian Academy of Sciences, 119333 Moscow, Russia
3 Moscow Region State University, 141014 Mytishi, Russia
4 National Research Center “Kurchatov Institute”, 123182 Moscow, Russia
5 Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
* Corresponding author: email@example.com
In order to establish the effect of the molecular structure of mix-substituted phthalocyanine derivatives on its supramolecular organization in thin-films, the floating layers of three A3B-type phthalocyanine derivatives were obtained. Their supramolecular organization was determined and it was found that the studied compounds form homogeneous stable floating layers on the water surface. Structure parameters of floating layers depend both on the length of aliphatic substituents (R = CnH2n+1) and the metal complexing agent. Ligands I and II form stable monolayer structures, which the layer packing periods increase with the elongation of aliphatic substituents: the lattice parameter (d) is 1.93 and 2.3 nm for ligands I (n = 6) and II (n = 8), correspondingly.
During further compression of the formed monolayers, ligands I and II form stable bilayers, in which the arrangement of molecules remains similar to the structure of the previous monolayers. These bilayers contain minor inclusions of 3D aggregates. Metal complex III forms only stable monolayer (d = 2.06 nm), upon further compression of which 3D- aggregates included in the monolayer are formed.
© The Authors, published by EDP Sciences, 2019
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