Abstract

The total luminescence spectroscopy (TLS) method was used to study electronic spectra of aromatic hydrocarbons in polycrystalline and glassy matrices. Characteristic patterns of zero-phonon lines with their phonon wings, single-site spectra, multiplet spectra, and strongly inhomogeneously broadened spectra are discussed in terms of discretely and continuously distributed electronic energy levels of guest molecules. An overview of different types of excitation-emission dependences is presented.

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