Volkova Elena V. RussiaSaratovSaratov State Polytechnical University named after Gagarin Yu. A., 410054, Saratov, Polytechnical str., 77elena.volkova.910@gmail.com Author's articles Application of Solid-surface Luminescence for Determination Indicator Coefficients of Polycyclic Aromatic Hydrocarbons Spatial and Electronic Structure of the Pyrene Molecule, Tripaflavin Cation and Eosin Anions As a Prerequisite for Interpreting Their Solid-phase Fluorescence