Consequences of Confinement Conditions on Absorption in Molecular Nanofilms

• Authors: I. Šetrajčić , D. Rodić , J. Šetrajčić , A. Šetrajčić-Tomić , S. Vučenović
• Languages of publication: EN

Abstracts

EN

This paper presents a model of molecular ultrathin crystalline film and analysis of dielectric properties of these spatially very restricted structures. Using the two-time dependent Green functions the energy spectrum and possible exciton states were determined and the dynamic permittivity was calculated. It was shown that the appearance of localized states in the boundary layers of the film depend on the thickness and the changing values of parameters in the border areas of the film. These localized states define schedule and determine the number of resonant absorption lines in the infrared area of the external electromagnetic radiation.

Keywords

EN

71.35.-y; 71.35.Aa; 77.22.Ch; 77.55.-g; 78.20.Bh; 78.68.+m; 81.07.Nb

Discipline

• 78.68.+m: Optical properties of surfaces
• 77.55.-g: Dielectric thin films(see also 85.50.-n Dielectric, ferroelectric, and piezoelectric devices; for microelectronics applications, see 85.40.-e; for methods of film deposition, see 81.15.-z)
• 71.35.Aa: Frenkel excitons and self-trapped excitons
• 78.20.Bh: Theory, models, and numerical simulation
• 71.35.-y: Excitons and related phenomena
• 77.22.Ch: Permittivity (dielectric function)(for low-permittivity dielectric films, see 77.55.Bh; for high-permittivity gate dielectric films, 77.55.D-)
• 81.07.Nb: Molecular nanostructures

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 1
• Pages: 129-139

Dates

published

2018-01

received

2015-12-11

(unknown)

2016-05-17

Contributors

author

I. Šetrajčić

• University of Novi Sad, Faculty of Sciences, Department of Physics, 21000 Novi Sad, Vojvodina, Serbia

author

D. Rodić

• University of Novi Sad, Faculty of Sciences, Department of Physics, 21000 Novi Sad, Vojvodina, Serbia

author

J. Šetrajčić

• University of Novi Sad, Faculty of Sciences, Department of Physics, 21000 Novi Sad, Vojvodina, Serbia

author

A. Šetrajčić-Tomić

• University of Novi Sad, Faculty of Medicine, Department of Pharmacy, 21000 Novi Sad, Vojvodina, Serbia

author

S. Vučenović

• University of Banja Luka, Faculty of Sciences - Physics, 78000 Banja Luka, Republic of Srpska - B&H

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Identifiers

DOI

10.12693/APhysPolA.131.129