Chapter 4. Effects of Intermolecular Photophysical Processes on Fluorescence Emission
Published Online: 20 DEC 2001
DOI: 10.1002/3527600248.ch4
Copyright © 2001 Wiley-VCH Verlag GmbH
Book Title
Molecular Fluorescence: Principles and Applications
Additional Information
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
Publication History
- Published Online: 20 DEC 2001
- Published Print: 21 DEC 2001
ISBN Information
Print ISBN: 9783527299195
Online ISBN: 9783527600243
- Summary
- Chapter
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