Formation of Surface Layers upon Evaporation of meso-Tetra(benzo-15-crown-5)porphyrin on Nanostructured Iron Surfaces

V. A. Kotenev, D. N. Tyurin, A. Yu. Tsivadze, A. Yu. Chernyad’ev, N. P. Sokolova,
A. M. Gorbunov, and T. P. Puryaeva

Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991 Russia

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Abstract — Morphology and spectral characteristics of the surface structures obtained upon the evaporation of meso-tetra(benzo-15-crown-5)porphyrin on the iron surface are studied with the use of digital optical microsopy, IR Fourier-transform spectroscopy, and x-ray diffraction analysis. During the interaction of porphyrin chloroform solution with nanostructured iron-based metal–oxide nanocomposite template, the process at the original template boundary is shown to initiate the formation of two polymorphous modifications of a porphyrin layer, namely, the aggregated layer and a transparent vitreous layer.