Theoretical investigation of the excitation mechanisms of the vapors of complex organic molecules by a powerful electron beam

Gruzinskii, V. V.; Кухто, А. В.

doi:10.1007/bf00659431

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2022

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“…In this regard, it is of interest to study the interaction of lowenergy electrons with organic luminescent molecules of various structures. The action of high-energy electrons is largely due to the secondary electrons produced in the course of ionization [8].…”

Section: Introductionmentioning

confidence: 99%

Spectroscopy of the interaction of a low-energy electron beam with organic luminescent molecules

Kukhta

Kazakov

2022

Phys. Usp.

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We present a brief review of the results of spectroscopic studies of the interaction of a beam of low-energy monokinetic tunable-energy electrons with organic luminescent molecules. Data are presented on elastic scattering, the excitation of vibrational and electronic transitions, luminescence properties, and the formation of positive and negative ions for a number of molecules. It is shown that the passage of electrons through the gaseous and thin-film phases of organic samples is close in nature. For all processes, except the excitation of triplet transitions and the formation of negative ions, the dipole interaction prevails, even in the near-threshold region. The results of the conducted research will be useful for understanding the conversion of electron energy by organic molecules in electronics, where the direct study of elementary processes is very difficult, as well as in biology and plasma chemistry.

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Section: Introductionmentioning

confidence: 99%