Spectroscopic characteristics of nanocomposite structures in 3D, 2D, and 1D size confinements

T. S. Perova; I. I. Shaganov; S. Unnikrishnan; R. A. Moore

doi:10.1117/12.606760

3 June 2005 Spectroscopic characteristics of nanocomposite structures in 3D, 2D, and 1D size confinements

T. S. Perova, I. I. Shaganov, S. Unnikrishnan, R. A. Moore

Proceedings Volume 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy; (2005) https://doi.org/10.1117/12.606760
Event: OPTO-Ireland, 2005, Dublin, Ireland

Abstract

Based on the relationship between spectrum of Einstein coefficient B(v) and optical response _ε2 ^meso for nanostructural materials with different types of size confinement (nanospheres, nanowires and nanowalls) we perform the numerical calculation and analysis of _ε2 ^meso and B(v) functions using dispersive effective field approach for a number of harmonic oscillators with different dispersive parameters (oscillator strength, decay factor and peak frequency). It has been shown that the spectral properties (peak position, peak intensity and half width) of _ε2 ^meso strongly depend upon the type of size confinement. In contrast, the spectrum B(v) is the same for all cases of composite media and therefore has a fundamental meaning. Differences in dielectric functions observed for all studied cases arise as a result of the variation in the local field factor for 3D, 2D and 1D size confinements.

Citation Download Citation

T. S. Perova, I. I. Shaganov, S. Unnikrishnan, and R. A. Moore "Spectroscopic characteristics of nanocomposite structures in 3D, 2D, and 1D size confinements", Proc. SPIE 5826, Opto-Ireland 2005: Optical Sensing and Spectroscopy, (3 June 2005); https://doi.org/10.1117/12.606760

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