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Journal of Applied Spectroscopy

, Volume 81, Issue 6, pp 930–937 | Cite as

Effect of Intramolecular Rotation on Collisional Luminescence Depolarization of Polyatomic Molecules

  • A. P. Blokhin
  • V. A. Tolkachev
Article

A model for collisional luminescence depolarization of molecular complexes with internal rotation at an arbitrary ratio of moments of inertia of the moving parts was developed. Theoretical expressions for the luminescence anisotropy in the J-diffusion model and generalizations of the Levshin–Perrin relations were obtained. It was shown that the luminescence depolarization of the complexes depended strongly on the ratio of the moments of inertia of the complex parts, the orientation of the rotation axes, and the directions of the transition moments.

Keywords

luminescence depolarization molecular collisions internal rotation dynamics molecular complexes 

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.B. I. Stepanov Institute of PhysicsNational Academy of Sciences of BelarusMinskBelarus

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