Chapter 4. Effects of Intermolecular Photophysical Processes on Fluorescence Emission

  1. Prof. Dr. Bernard Valeur

Published Online: 20 DEC 2001

DOI: 10.1002/3527600248.ch4

Molecular Fluorescence: Principles and Applications

Molecular Fluorescence: Principles and Applications

How to Cite

Valeur, B. (2001) Effects of Intermolecular Photophysical Processes on Fluorescence Emission, in Molecular Fluorescence: Principles and Applications, Wiley-VCH Verlag GmbH, Weinheim, FRG. doi: 10.1002/3527600248.ch4

Author Information

  1. Laboratoire de Chimie Générale, Conservatoire National des Arts et Métiers, 292 rue Saint-Martin, 75141 Paris Cedex 03, France

Publication History

  1. Published Online: 20 DEC 2001
  2. Published Print: 21 DEC 2001

ISBN Information

Print ISBN: 9783527299195

Online ISBN: 9783527600243

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Keywords:

  • intermolecular de-excitation processes;
  • fluorescence quenching;
  • Stern–Volmer kinetics;
  • dynamic quenching;
  • static quenching;
  • photoinduced electron transfer;
  • excimers;
  • exciplexes;
  • photoinduced proton transfer;
  • excited-state pK*;
  • Förster cycle;
  • excitation energy transfer

Summary

  • Introduction

  • Overview of the intermolecular de-excitation processes of excited molecules leading to fluorescence quenching

    • Phenomenological approach

    • Dynamic quenching

      • Stern–Volmer kinetics

      • Transient effects

    • Static quenching

      • Sphere of effective quenching

      • Formation of a ground-state non-fluorescent complex

    • Simultaneous dynamic and static quenching

    • Quenching of heterogeneously emitting systems

  • Photoinduced electron transfer

  • Formation of excimers and exciplexes

    • Excimers

    • Exciplexes

  • Photoinduced proton transfer

    • General equations

    • Determination of the excited-state pK*

      • Prediction by means of the Förster cycle

      • Steady-state measurements

      • Time-resolved experiments

    • pH dependence of absorption and emission spectra

  • Excitation energy transfer

    • Distinction between radiative and non-radiative transfer

    • Radiative energy transfer

    • Non-radiative energy transfer