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Halogen-substituted zinc(II) phthalocyanines: Spectral properties and structure of thin films

Описание

Тип публикации: статья из журнала

Год издания: 2022

Идентификатор DOI: 10.1016/j.tsf.2022.139301

Ключевые слова: conductivity, fourier-transform infrared spectroscopy, halogen-substituted phthalocyanine, thin film, ultraviolet-visible spectroscopy, x-ray diffraction

Аннотация: In this work, the effect of the type of halogen substituents on the structure, morphology, and conductivity of thin films of zinc(II) phthalocyanines ZnPcHal4 (Hal = F, Cl, Br, I), deposited both by evaporations in vacuum and by a spin coating technique was studied. The influence of these different halogen substituents on the spectПоказать полностьюral properties of ZnPcHal4 derivatives was also investigated. For this purpose, the density-functional theory calculations of the vibrational spectra of ZnPcHal4 were carried out. It was shown that ZnPcHal4 (Hal = F, Cl) films obtained by physical vapor deposition (PVD) were polycrystalline and consisted of well-distinguishable rounded grains, whereas the introduction of the bulk bromine and iodine substituents led to the formation of amorphous films both in the PVD process and during spin coating deposition. The lateral d.c. conductivity of the films was shown to decrease in the order ZnPcCl4 > ZnPcF4 > ZnPcBr4 > ZnPcI4. The conductivity of PVD films, which were characterized by higher crystallinity and order, was higher than that of spun films. © 2022 Elsevier B.V.

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Издание

Журнал: Thin Solid Films

Выпуск журнала: Vol. 754

Номера страниц: 139301

ISSN журнала: 00406090

Издатель: Elsevier B.V.

Персоны

  • Klyamer D. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences (SB RAS), 3 Lavrentiev Pr, Novosibirsk, 630090, Russian Federation)
  • Bonegardt D. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences (SB RAS), 3 Lavrentiev Pr, Novosibirsk, 630090, Russian Federation)
  • Krasnov P. (International Research Center of Spectroscopy and Quantum Chemistry, Siberian Federal University, 26 Kirensky str., Krasnoyarsk, 660074, Russian Federation)
  • Sukhikh A. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences (SB RAS), 3 Lavrentiev Pr, Novosibirsk, 630090, Russian Federation)
  • Popovetskiy P. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences (SB RAS), 3 Lavrentiev Pr, Novosibirsk, 630090, Russian Federation)
  • Khezami K. (Department of Chemistry, Gebze Technical University, Kocaeli, Gebze, 41400, Turkey; İstinye University, Topkapı Campus, İstanbul, Zeytinburnu, 34010, Turkey)
  • Durmuş M. (Department of Chemistry, Gebze Technical University, Kocaeli, Gebze, 41400, Turkey)
  • Basova T. (Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences (SB RAS), 3 Lavrentiev Pr, Novosibirsk, 630090, Russian Federation)

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