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    Floating layer structure of mesogenic phthalocyanine of A(3)B-type

    Year: 2020

    Journal: Mendeleev Commun., Volume 30, JAN-FEB, page 52–54

    Authors: Kaiak, AV; Marehenkova, MA; Smirnova, AI; Seregin, AY; Rogaehev, AV; Warias, J; Murphy, B; Teresehenko, EY; Usol'tseva, NV

    Organizations: Ministry of Education and Science of the Russian FederationMinistry of Education and Science, Russian Federation [16.1037.2017/4.6]; Ministry of Science and Higher EducationMinistry of Science and Higher Education, PolandEuropean Commission; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-03-00763a, 19-57-04002bel_mol_a]; Russian FederationRussian Federation [MK-3767.2019.9]; BMBFFederal Ministry of Education & Research (BMBF) [05K13FK2, 05K16FK1]

    Keywords: mix-substituted phthalocyanine; floating layers; structure; Brewster angle microscopy; grazing incidence diffraction; X-ray reflectivity

    To design efficient thin-film materials for low cost organic nanoelectronic devices, the Langmuir floating layer structure of the mesogenic 1,4,8,11,15,18-hexaoctyloxy-22,23,24,25-tetrachlorophthalocyanine (A(3) B-type) was characterized by Brewster angle microscopy, grazing incidence diffraction, and reflectometry. Starting from the area per one molecule of 7.6 nm(2), a single two-dimensional ordered structure with the period of 2.3 nm was formed. When the area reaches the value of 2.5 nm(2), a stable bilayer structure with imperceptible number of 3D aggregates was detected, in which each monolayer preserved organization of the preceding monolayer.
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