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Fizika i Tekhnika Poluprovodnikov, 2019 Volume 53, Issue 1, Pages 55–58 (Mi phts5611)

This article is cited in 5 papers

Amorphous, glassy, organic semiconductors

The effect of crystallization conditions on the spectral characteristics of tetraphenylporphyrin thin films

M. A. Elistratovaa, I. B. Zakharovab, G. V. Lia, R. M. Dubrovina, O. M. Sreselia

a Ioffe Institute, St. Petersburg
b Peter the Great St. Petersburg Polytechnic University

Abstract: The goal of this work is to study the processes of self-organization in tetraphenylporphyrin (H$_2$TPP) films made by condensation under various conditions. Experimental studies of the spectral characteristics of H$_2$TPP thin films obtained by the liquid method from a H$_2$TPP toluene solution and by vacuum deposition on different substrates are carried out. It is shown that the structure of the H$_2$TPP samples changes depending on the technique of synthesis on different substrates, which shows itself in changes (“red” shift) in the photoluminescence and absorption spectra. The changes are caused by a different degree of crystallinity depending on the homogeneity of the surface of the substrates and their temperature.

Received: 18.07.2018
Revised: 27.07.2018

DOI: 10.21883/FTP.2019.01.46987.8961


 English version:
Semiconductors, 2019, 53:1, 51–54

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