Study of Desorption Products under Laser Irradiation of the Surface of Organic Films

Anatolij M. Turiev; Inga V. Tvauri; Arina T. Shanaeva

doi:10.4028/www.scientific.net/NHC.28.84

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HomeNano Hybrids and CompositesNano Hybrids and Composites Vol. 28Study of Desorption Products under Laser...

Study of Desorption Products under Laser Irradiation of the Surface of Organic Films

Abstract:

The paper presents the results of mass spectrometric studies of laser-stimulated desorption from the surface of thin films based on organic copper phthalocyanine molecules with peripheral substituents on gallium arsenide substrates. Thin films (30-80 nm) of copper phthalocyanine with peripheral substituents in this regard are studied for the first time. The composition of particles desorbed from the surface of CuPc and CuPcF₁₆ films by laser radiation of various wavelengths of 532 nm and 1.06 μm with a pulse duration of 10 ns was studied. The identification of the main fragments of molecules present in the desorption stream was carried out. It was shown that under the action of laser radiation, the surface is leveled and the films are fragmented, followed by desorption of molecular fragments.

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Periodical:

Nano Hybrids and Composites (Volume 28)

Pages:

84-90

DOI:

https://doi.org/10.4028/www.scientific.net/NHC.28.84

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Online since:

February 2020

Authors:

Anatolij M. Turiev*, Inga V. Tvauri, Arina T. Shanaeva

Keywords:

Atomic Force Microscopy (AFM), Fluorosubstituted Copper Phthalocyanine, Llaser-Stimulated Desorption

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